Home / 429,070.20-592,121.52-238,086.78

Finding the Fourth Proportional to 429,070.20, 592,121.52 and 238,086.78

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Solution

The fourth proportional to 429,070.20, 592,121.52 and 238,086.78 is: 328,562.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,070.20 : 592,121.52 = 238,086.78 : x
  2. Step 2: Convert to fraction form
    429,070.20/592,121.52 = 238,086.78/x
  3. Step 3: Cross multiply
    429,070.20x = 592,121.52 × 238,086.78
  4. Step 4: Simplify right side
    429,070.20x = 140,976,306,065.51
  5. Step 5: Solve for x
    x = 140,976,306,065.51/429,070.20
  6. Step 6: Final answer
    x = 328,562.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.