Home / 294,937.20-442,346.40-84,518.64

Finding the Fourth Proportional to 294,937.20, 442,346.40 and 84,518.64

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Solution

The fourth proportional to 294,937.20, 442,346.40 and 84,518.64 is: 126,760.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,937.20 : 442,346.40 = 84,518.64 : x
  2. Step 2: Convert to fraction form
    294,937.20/442,346.40 = 84,518.64/x
  3. Step 3: Cross multiply
    294,937.20x = 442,346.40 × 84,518.64
  4. Step 4: Simplify right side
    294,937.20x = 37,386,516,136.90
  5. Step 5: Solve for x
    x = 37,386,516,136.90/294,937.20
  6. Step 6: Final answer
    x = 126,760.94

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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.