Home / 304,654.19-457,074.70-136,316.21

Finding the Fourth Proportional to 304,654.19, 457,074.70 and 136,316.21

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Solution

The fourth proportional to 304,654.19, 457,074.70 and 136,316.21 is: 204,516.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,654.19 : 457,074.70 = 136,316.21 : x
  2. Step 2: Convert to fraction form
    304,654.19/457,074.70 = 136,316.21/x
  3. Step 3: Cross multiply
    304,654.19x = 457,074.70 × 136,316.21
  4. Step 4: Simplify right side
    304,654.19x = 62,306,688,164.72
  5. Step 5: Solve for x
    x = 62,306,688,164.72/304,654.19
  6. Step 6: Final answer
    x = 204,516.11

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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.