Home / 300,190,520.31-414,267,148.17-172,960,882.40

Finding the Fourth Proportional to 300,190,520.31, 414,267,148.17 and 172,960,882.40

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Solution

The fourth proportional to 300,190,520.31, 414,267,148.17 and 172,960,882.40 is: 238,688,455.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,190,520.31 : 414,267,148.17 = 172,960,882.40 : x
  2. Step 2: Convert to fraction form
    300,190,520.31/414,267,148.17 = 172,960,882.40/x
  3. Step 3: Cross multiply
    300,190,520.31x = 414,267,148.17 × 172,960,882.40
  4. Step 4: Simplify right side
    300,190,520.31x = 71,652,011,497,850,416
  5. Step 5: Solve for x
    x = 71,652,011,497,850,416/300,190,520.31
  6. Step 6: Final answer
    x = 238,688,455.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.