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Finding the Fourth Proportional to 657,348.35, 986,131.53 and 230,773.46

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Solution

The fourth proportional to 657,348.35, 986,131.53 and 230,773.46 is: 346,198.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,348.35 : 986,131.53 = 230,773.46 : x
  2. Step 2: Convert to fraction form
    657,348.35/986,131.53 = 230,773.46/x
  3. Step 3: Cross multiply
    657,348.35x = 986,131.53 × 230,773.46
  4. Step 4: Simplify right side
    657,348.35x = 227,572,985,193.19
  5. Step 5: Solve for x
    x = 227,572,985,193.19/657,348.35
  6. Step 6: Final answer
    x = 346,198.46

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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.