Home / 381,294.02-571,926.65-115,047.42

Finding the Fourth Proportional to 381,294.02, 571,926.65 and 115,047.42

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Solution

The fourth proportional to 381,294.02, 571,926.65 and 115,047.42 is: 172,566.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,294.02 : 571,926.65 = 115,047.42 : x
  2. Step 2: Convert to fraction form
    381,294.02/571,926.65 = 115,047.42/x
  3. Step 3: Cross multiply
    381,294.02x = 571,926.65 × 115,047.42
  4. Step 4: Simplify right side
    381,294.02x = 65,798,684,936.51
  5. Step 5: Solve for x
    x = 65,798,684,936.51/381,294.02
  6. Step 6: Final answer
    x = 172,566.79

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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.