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Finding the Fourth Proportional to 440,887.77, 660,989.01 and 141,195.87

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Solution

The fourth proportional to 440,887.77, 660,989.01 and 141,195.87 is: 211,684.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,887.77 : 660,989.01 = 141,195.87 : x
  2. Step 2: Convert to fraction form
    440,887.77/660,989.01 = 141,195.87/x
  3. Step 3: Cross multiply
    440,887.77x = 660,989.01 × 141,195.87
  4. Step 4: Simplify right side
    440,887.77x = 93,328,918,327.39
  5. Step 5: Solve for x
    x = 93,328,918,327.39/440,887.77
  6. Step 6: Final answer
    x = 211,684.07

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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.