Home / 369,991.05-554,761.85-145,082.01

Finding the Fourth Proportional to 369,991.05, 554,761.85 and 145,082.01

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Solution

The fourth proportional to 369,991.05, 554,761.85 and 145,082.01 is: 217,534.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,991.05 : 554,761.85 = 145,082.01 : x
  2. Step 2: Convert to fraction form
    369,991.05/554,761.85 = 145,082.01/x
  3. Step 3: Cross multiply
    369,991.05x = 554,761.85 × 145,082.01
  4. Step 4: Simplify right side
    369,991.05x = 80,485,963,543.91
  5. Step 5: Solve for x
    x = 80,485,963,543.91/369,991.05
  6. Step 6: Final answer
    x = 217,534.89

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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.