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Finding the Fourth Proportional to 388,588.41, 536,062.59 and 250,729.92

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Solution

The fourth proportional to 388,588.41, 536,062.59 and 250,729.92 is: 345,885.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,588.41 : 536,062.59 = 250,729.92 : x
  2. Step 2: Convert to fraction form
    388,588.41/536,062.59 = 250,729.92/x
  3. Step 3: Cross multiply
    388,588.41x = 536,062.59 × 250,729.92
  4. Step 4: Simplify right side
    388,588.41x = 134,406,930,305.69
  5. Step 5: Solve for x
    x = 134,406,930,305.69/388,588.41
  6. Step 6: Final answer
    x = 345,885.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.