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Finding the Fourth Proportional to 238,557.80, 357,836.47 and 61,064.53

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Solution

The fourth proportional to 238,557.80, 357,836.47 and 61,064.53 is: 91,596.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,557.80 : 357,836.47 = 61,064.53 : x
  2. Step 2: Convert to fraction form
    238,557.80/357,836.47 = 61,064.53/x
  3. Step 3: Cross multiply
    238,557.80x = 357,836.47 × 61,064.53
  4. Step 4: Simplify right side
    238,557.80x = 21,851,115,857.41
  5. Step 5: Solve for x
    x = 21,851,115,857.41/238,557.80
  6. Step 6: Final answer
    x = 91,596.74

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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.