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Finding the Fourth Proportional to 606,200.70, 909,301.05 and 185,475.90

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Solution

The fourth proportional to 606,200.70, 909,301.05 and 185,475.90 is: 278,213.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,200.70 : 909,301.05 = 185,475.90 : x
  2. Step 2: Convert to fraction form
    606,200.70/909,301.05 = 185,475.90/x
  3. Step 3: Cross multiply
    606,200.70x = 909,301.05 × 185,475.90
  4. Step 4: Simplify right side
    606,200.70x = 168,653,430,619.70
  5. Step 5: Solve for x
    x = 168,653,430,619.70/606,200.70
  6. Step 6: Final answer
    x = 278,213.85

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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.