Home / 305,200.61-457,336.17-155,216.15

Finding the Fourth Proportional to 305,200.61, 457,336.17 and 155,216.15

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Solution

The fourth proportional to 305,200.61, 457,336.17 and 155,216.15 is: 232,587.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,200.61 : 457,336.17 = 155,216.15 : x
  2. Step 2: Convert to fraction form
    305,200.61/457,336.17 = 155,216.15/x
  3. Step 3: Cross multiply
    305,200.61x = 457,336.17 × 155,216.15
  4. Step 4: Simplify right side
    305,200.61x = 70,985,956,500.38
  5. Step 5: Solve for x
    x = 70,985,956,500.38/305,200.61
  6. Step 6: Final answer
    x = 232,587.86

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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.