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Finding the Fourth Proportional to 222,599.80, 307,294.12 and 127,088.04

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Solution

The fourth proportional to 222,599.80, 307,294.12 and 127,088.04 is: 175,442.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,599.80 : 307,294.12 = 127,088.04 : x
  2. Step 2: Convert to fraction form
    222,599.80/307,294.12 = 127,088.04/x
  3. Step 3: Cross multiply
    222,599.80x = 307,294.12 × 127,088.04
  4. Step 4: Simplify right side
    222,599.80x = 39,053,407,414.32
  5. Step 5: Solve for x
    x = 39,053,407,414.32/222,599.80
  6. Step 6: Final answer
    x = 175,442.24

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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.