Home / 287,267.28-430,090.80-152,025

Finding the Fourth Proportional to 287,267.28, 430,090.80 and 152,025

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Solution

The fourth proportional to 287,267.28, 430,090.80 and 152,025 is: 227,608.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,267.28 : 430,090.80 = 152,025 : x
  2. Step 2: Convert to fraction form
    287,267.28/430,090.80 = 152,025/x
  3. Step 3: Cross multiply
    287,267.28x = 430,090.80 × 152,025
  4. Step 4: Simplify right side
    287,267.28x = 65,384,553,870
  5. Step 5: Solve for x
    x = 65,384,553,870/287,267.28
  6. Step 6: Final answer
    x = 227,608.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.