Home / 486,983.40-730,475.10-171,472.20

Finding the Fourth Proportional to 486,983.40, 730,475.10 and 171,472.20

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Solution

The fourth proportional to 486,983.40, 730,475.10 and 171,472.20 is: 257,208.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,983.40 : 730,475.10 = 171,472.20 : x
  2. Step 2: Convert to fraction form
    486,983.40/730,475.10 = 171,472.20/x
  3. Step 3: Cross multiply
    486,983.40x = 730,475.10 × 171,472.20
  4. Step 4: Simplify right side
    486,983.40x = 125,256,172,442.22
  5. Step 5: Solve for x
    x = 125,256,172,442.22/486,983.40
  6. Step 6: Final answer
    x = 257,208.30

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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.