Home / 439,252.20-658,440.90-202,181.40

Finding the Fourth Proportional to 439,252.20, 658,440.90 and 202,181.40

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Solution

The fourth proportional to 439,252.20, 658,440.90 and 202,181.40 is: 303,070.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,252.20 : 658,440.90 = 202,181.40 : x
  2. Step 2: Convert to fraction form
    439,252.20/658,440.90 = 202,181.40/x
  3. Step 3: Cross multiply
    439,252.20x = 658,440.90 × 202,181.40
  4. Step 4: Simplify right side
    439,252.20x = 133,124,502,979.26
  5. Step 5: Solve for x
    x = 133,124,502,979.26/439,252.20
  6. Step 6: Final answer
    x = 303,070.77

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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.