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Finding the Fourth Proportional to 304,444.46, 420,134.17 and 168,487.79

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Solution

The fourth proportional to 304,444.46, 420,134.17 and 168,487.79 is: 232,513.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,444.46 : 420,134.17 = 168,487.79 : x
  2. Step 2: Convert to fraction form
    304,444.46/420,134.17 = 168,487.79/x
  3. Step 3: Cross multiply
    304,444.46x = 420,134.17 × 168,487.79
  4. Step 4: Simplify right side
    304,444.46x = 70,787,477,806.78
  5. Step 5: Solve for x
    x = 70,787,477,806.78/304,444.46
  6. Step 6: Final answer
    x = 232,513.60

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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.