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Finding the Fourth Proportional to 182,651.79, 273,978.20 and 56,287.95

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Solution

The fourth proportional to 182,651.79, 273,978.20 and 56,287.95 is: 84,432.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,651.79 : 273,978.20 = 56,287.95 : x
  2. Step 2: Convert to fraction form
    182,651.79/273,978.20 = 56,287.95/x
  3. Step 3: Cross multiply
    182,651.79x = 273,978.20 × 56,287.95
  4. Step 4: Simplify right side
    182,651.79x = 15,421,671,222.69
  5. Step 5: Solve for x
    x = 15,421,671,222.69/182,651.79
  6. Step 6: Final answer
    x = 84,432.08

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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.