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Finding the Fourth Proportional to 474,348.33, 711,572.45 and 154,525.23

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Solution

The fourth proportional to 474,348.33, 711,572.45 and 154,525.23 is: 231,804.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,348.33 : 711,572.45 = 154,525.23 : x
  2. Step 2: Convert to fraction form
    474,348.33/711,572.45 = 154,525.23/x
  3. Step 3: Cross multiply
    474,348.33x = 711,572.45 × 154,525.23
  4. Step 4: Simplify right side
    474,348.33x = 109,955,895,725.29
  5. Step 5: Solve for x
    x = 109,955,895,725.29/474,348.33
  6. Step 6: Final answer
    x = 231,804.12

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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.