Home / 331,470.90-497,379.15-144,501.30

Finding the Fourth Proportional to 331,470.90, 497,379.15 and 144,501.30

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Solution

The fourth proportional to 331,470.90, 497,379.15 and 144,501.30 is: 216,827.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,470.90 : 497,379.15 = 144,501.30 : x
  2. Step 2: Convert to fraction form
    331,470.90/497,379.15 = 144,501.30/x
  3. Step 3: Cross multiply
    331,470.90x = 497,379.15 × 144,501.30
  4. Step 4: Simplify right side
    331,470.90x = 71,871,933,767.90
  5. Step 5: Solve for x
    x = 71,871,933,767.90/331,470.90
  6. Step 6: Final answer
    x = 216,827.28

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1.5x scale

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.