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Finding the Fourth Proportional to 362,136.61, 499,840.39 and 247,461.67

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Solution

The fourth proportional to 362,136.61, 499,840.39 and 247,461.67 is: 341,559.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,136.61 : 499,840.39 = 247,461.67 : x
  2. Step 2: Convert to fraction form
    362,136.61/499,840.39 = 247,461.67/x
  3. Step 3: Cross multiply
    362,136.61x = 499,840.39 × 247,461.67
  4. Step 4: Simplify right side
    362,136.61x = 123,691,337,649.00
  5. Step 5: Solve for x
    x = 123,691,337,649.00/362,136.61
  6. Step 6: Final answer
    x = 341,559.88

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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.