Home / 294,756.12-442,132.84-84,394

Finding the Fourth Proportional to 294,756.12, 442,132.84 and 84,394

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Solution

The fourth proportional to 294,756.12, 442,132.84 and 84,394 is: 126,590.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,756.12 : 442,132.84 = 84,394 : x
  2. Step 2: Convert to fraction form
    294,756.12/442,132.84 = 84,394/x
  3. Step 3: Cross multiply
    294,756.12x = 442,132.84 × 84,394
  4. Step 4: Simplify right side
    294,756.12x = 37,313,358,898.96
  5. Step 5: Solve for x
    x = 37,313,358,898.96/294,756.12
  6. Step 6: Final answer
    x = 126,590.62

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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.