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Finding the Fourth Proportional to 208,841.01, 288,200.87 and 113,347.71

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Solution

The fourth proportional to 208,841.01, 288,200.87 and 113,347.71 is: 156,419.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,841.01 : 288,200.87 = 113,347.71 : x
  2. Step 2: Convert to fraction form
    208,841.01/288,200.87 = 113,347.71/x
  3. Step 3: Cross multiply
    208,841.01x = 288,200.87 × 113,347.71
  4. Step 4: Simplify right side
    208,841.01x = 32,666,908,788.27
  5. Step 5: Solve for x
    x = 32,666,908,788.27/208,841.01
  6. Step 6: Final answer
    x = 156,419.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.