Home / 440,914.77-661,406.36-137,270.79

Finding the Fourth Proportional to 440,914.77, 661,406.36 and 137,270.79

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Solution

The fourth proportional to 440,914.77, 661,406.36 and 137,270.79 is: 205,916.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,914.77 : 661,406.36 = 137,270.79 : x
  2. Step 2: Convert to fraction form
    440,914.77/661,406.36 = 137,270.79/x
  3. Step 3: Cross multiply
    440,914.77x = 661,406.36 × 137,270.79
  4. Step 4: Simplify right side
    440,914.77x = 90,791,772,861.87
  5. Step 5: Solve for x
    x = 90,791,772,861.87/440,914.77
  6. Step 6: Final answer
    x = 205,916.83

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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.