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Finding the Fourth Proportional to 364,432.23, 546,712.47 and 124,489.71

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Solution

The fourth proportional to 364,432.23, 546,712.47 and 124,489.71 is: 186,756.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,432.23 : 546,712.47 = 124,489.71 : x
  2. Step 2: Convert to fraction form
    364,432.23/546,712.47 = 124,489.71/x
  3. Step 3: Cross multiply
    364,432.23x = 546,712.47 × 124,489.71
  4. Step 4: Simplify right side
    364,432.23x = 68,060,076,843.68
  5. Step 5: Solve for x
    x = 68,060,076,843.68/364,432.23
  6. Step 6: Final answer
    x = 186,756.47

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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.