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Finding the Fourth Proportional to 238,507.11, 357,757.02 and 61,012.62

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Solution

The fourth proportional to 238,507.11, 357,757.02 and 61,012.62 is: 91,518.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,507.11 : 357,757.02 = 61,012.62 : x
  2. Step 2: Convert to fraction form
    238,507.11/357,757.02 = 61,012.62/x
  3. Step 3: Cross multiply
    238,507.11x = 357,757.02 × 61,012.62
  4. Step 4: Simplify right side
    238,507.11x = 21,827,693,113.59
  5. Step 5: Solve for x
    x = 21,827,693,113.59/238,507.11
  6. Step 6: Final answer
    x = 91,518.00

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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.