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Finding the Fourth Proportional to 435,473.88, 653,042.88 and 169,199.34

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Solution

The fourth proportional to 435,473.88, 653,042.88 and 169,199.34 is: 253,733.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,473.88 : 653,042.88 = 169,199.34 : x
  2. Step 2: Convert to fraction form
    435,473.88/653,042.88 = 169,199.34/x
  3. Step 3: Cross multiply
    435,473.88x = 653,042.88 × 169,199.34
  4. Step 4: Simplify right side
    435,473.88x = 110,494,424,287.70
  5. Step 5: Solve for x
    x = 110,494,424,287.70/435,473.88
  6. Step 6: Final answer
    x = 253,733.76

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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.