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Finding the Fourth Proportional to 355,079.70, 532,619.55 and 236,106.90

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Solution

The fourth proportional to 355,079.70, 532,619.55 and 236,106.90 is: 354,160.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,079.70 : 532,619.55 = 236,106.90 : x
  2. Step 2: Convert to fraction form
    355,079.70/532,619.55 = 236,106.90/x
  3. Step 3: Cross multiply
    355,079.70x = 532,619.55 × 236,106.90
  4. Step 4: Simplify right side
    355,079.70x = 125,755,150,829.90
  5. Step 5: Solve for x
    x = 125,755,150,829.90/355,079.70
  6. Step 6: Final answer
    x = 354,160.35

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Similar ratio
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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.