Home / 381,557.65-572,417.43-144,895.09

Finding the Fourth Proportional to 381,557.65, 572,417.43 and 144,895.09

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Solution

The fourth proportional to 381,557.65, 572,417.43 and 144,895.09 is: 217,373.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,557.65 : 572,417.43 = 144,895.09 : x
  2. Step 2: Convert to fraction form
    381,557.65/572,417.43 = 144,895.09/x
  3. Step 3: Cross multiply
    381,557.65x = 572,417.43 × 144,895.09
  4. Step 4: Simplify right side
    381,557.65x = 82,940,475,037.42
  5. Step 5: Solve for x
    x = 82,940,475,037.42/381,557.65
  6. Step 6: Final answer
    x = 217,373.38

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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.