Home / 214,374.48-321,494.28-77,579.92

Finding the Fourth Proportional to 214,374.48, 321,494.28 and 77,579.92

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Solution

The fourth proportional to 214,374.48, 321,494.28 and 77,579.92 is: 116,345.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,374.48 : 321,494.28 = 77,579.92 : x
  2. Step 2: Convert to fraction form
    214,374.48/321,494.28 = 77,579.92/x
  3. Step 3: Cross multiply
    214,374.48x = 321,494.28 × 77,579.92
  4. Step 4: Simplify right side
    214,374.48x = 24,941,500,522.86
  5. Step 5: Solve for x
    x = 24,941,500,522.86/214,374.48
  6. Step 6: Final answer
    x = 116,345.47

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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.