Home / 238,326.20-328,892.10-130,897.52

Finding the Fourth Proportional to 238,326.20, 328,892.10 and 130,897.52

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Solution

The fourth proportional to 238,326.20, 328,892.10 and 130,897.52 is: 180,639.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,326.20 : 328,892.10 = 130,897.52 : x
  2. Step 2: Convert to fraction form
    238,326.20/328,892.10 = 130,897.52/x
  3. Step 3: Cross multiply
    238,326.20x = 328,892.10 × 130,897.52
  4. Step 4: Simplify right side
    238,326.20x = 43,051,160,237.59
  5. Step 5: Solve for x
    x = 43,051,160,237.59/238,326.20
  6. Step 6: Final answer
    x = 180,639.65

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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.