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Finding the Fourth Proportional to 238,791.54, 358,210.57 and 88,996.74

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Solution

The fourth proportional to 238,791.54, 358,210.57 and 88,996.74 is: 133,503.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,791.54 : 358,210.57 = 88,996.74 : x
  2. Step 2: Convert to fraction form
    238,791.54/358,210.57 = 88,996.74/x
  3. Step 3: Cross multiply
    238,791.54x = 358,210.57 × 88,996.74
  4. Step 4: Simplify right side
    238,791.54x = 31,879,572,963.54
  5. Step 5: Solve for x
    x = 31,879,572,963.54/238,791.54
  6. Step 6: Final answer
    x = 133,503.78

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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.