Home / 282,975.38-390,497.78-155,650.94

Finding the Fourth Proportional to 282,975.38, 390,497.78 and 155,650.94

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Solution

The fourth proportional to 282,975.38, 390,497.78 and 155,650.94 is: 214,793.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,975.38 : 390,497.78 = 155,650.94 : x
  2. Step 2: Convert to fraction form
    282,975.38/390,497.78 = 155,650.94/x
  3. Step 3: Cross multiply
    282,975.38x = 390,497.78 × 155,650.94
  4. Step 4: Simplify right side
    282,975.38x = 60,781,346,524.91
  5. Step 5: Solve for x
    x = 60,781,346,524.91/282,975.38
  6. Step 6: Final answer
    x = 214,793.76

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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.