Home / 372,838.20-514,529.60-211,687.89

Finding the Fourth Proportional to 372,838.20, 514,529.60 and 211,687.89

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Solution

The fourth proportional to 372,838.20, 514,529.60 and 211,687.89 is: 292,136.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,838.20 : 514,529.60 = 211,687.89 : x
  2. Step 2: Convert to fraction form
    372,838.20/514,529.60 = 211,687.89/x
  3. Step 3: Cross multiply
    372,838.20x = 514,529.60 × 211,687.89
  4. Step 4: Simplify right side
    372,838.20x = 108,919,684,308.11
  5. Step 5: Solve for x
    x = 108,919,684,308.11/372,838.20
  6. Step 6: Final answer
    x = 292,136.60

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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.