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Finding the Fourth Proportional to 386,141.04, 532,694.52 and 242,980.02

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Solution

The fourth proportional to 386,141.04, 532,694.52 and 242,980.02 is: 335,199.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,141.04 : 532,694.52 = 242,980.02 : x
  2. Step 2: Convert to fraction form
    386,141.04/532,694.52 = 242,980.02/x
  3. Step 3: Cross multiply
    386,141.04x = 532,694.52 × 242,980.02
  4. Step 4: Simplify right side
    386,141.04x = 129,434,125,123.49
  5. Step 5: Solve for x
    x = 129,434,125,123.49/386,141.04
  6. Step 6: Final answer
    x = 335,199.09

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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.