Home / 381,328.58-571,652.98-144,837.34

Finding the Fourth Proportional to 381,328.58, 571,652.98 and 144,837.34

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Solution

The fourth proportional to 381,328.58, 571,652.98 and 144,837.34 is: 217,126.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,328.58 : 571,652.98 = 144,837.34 : x
  2. Step 2: Convert to fraction form
    381,328.58/571,652.98 = 144,837.34/x
  3. Step 3: Cross multiply
    381,328.58x = 571,652.98 × 144,837.34
  4. Step 4: Simplify right side
    381,328.58x = 82,796,695,235.05
  5. Step 5: Solve for x
    x = 82,796,695,235.05/381,328.58
  6. Step 6: Final answer
    x = 217,126.91

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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.