Home / 214,445.58-321,666.39-54,521.88

Finding the Fourth Proportional to 214,445.58, 321,666.39 and 54,521.88

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Solution

The fourth proportional to 214,445.58, 321,666.39 and 54,521.88 is: 81,782.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,445.58 : 321,666.39 = 54,521.88 : x
  2. Step 2: Convert to fraction form
    214,445.58/321,666.39 = 54,521.88/x
  3. Step 3: Cross multiply
    214,445.58x = 321,666.39 × 54,521.88
  4. Step 4: Simplify right side
    214,445.58x = 17,537,856,315.61
  5. Step 5: Solve for x
    x = 17,537,856,315.61/214,445.58
  6. Step 6: Final answer
    x = 81,782.32

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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.