Home / 242,678.73-334,897.17-135,246.60

Finding the Fourth Proportional to 242,678.73, 334,897.17 and 135,246.60

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Solution

The fourth proportional to 242,678.73, 334,897.17 and 135,246.60 is: 186,640.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,678.73 : 334,897.17 = 135,246.60 : x
  2. Step 2: Convert to fraction form
    242,678.73/334,897.17 = 135,246.60/x
  3. Step 3: Cross multiply
    242,678.73x = 334,897.17 × 135,246.60
  4. Step 4: Simplify right side
    242,678.73x = 45,293,703,592.12
  5. Step 5: Solve for x
    x = 45,293,703,592.12/242,678.73
  6. Step 6: Final answer
    x = 186,640.60

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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.