Home / 493,011-739,627.28-156,071.85

Finding the Fourth Proportional to 493,011, 739,627.28 and 156,071.85

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Solution

The fourth proportional to 493,011, 739,627.28 and 156,071.85 is: 234,142.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,011 : 739,627.28 = 156,071.85 : x
  2. Step 2: Convert to fraction form
    493,011/739,627.28 = 156,071.85/x
  3. Step 3: Cross multiply
    493,011x = 739,627.28 × 156,071.85
  4. Step 4: Simplify right side
    493,011x = 115,434,997,119.71
  5. Step 5: Solve for x
    x = 115,434,997,119.71/493,011
  6. Step 6: Final answer
    x = 234,142.84

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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.