Home / 242,240.20-363,425.10-172,256.20

Finding the Fourth Proportional to 242,240.20, 363,425.10 and 172,256.20

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Solution

The fourth proportional to 242,240.20, 363,425.10 and 172,256.20 is: 258,430.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,240.20 : 363,425.10 = 172,256.20 : x
  2. Step 2: Convert to fraction form
    242,240.20/363,425.10 = 172,256.20/x
  3. Step 3: Cross multiply
    242,240.20x = 363,425.10 × 172,256.20
  4. Step 4: Simplify right side
    242,240.20x = 62,602,226,710.62
  5. Step 5: Solve for x
    x = 62,602,226,710.62/242,240.20
  6. Step 6: Final answer
    x = 258,430.38

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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.