Home / 411,100.20-616,925.70-144,861.30

Finding the Fourth Proportional to 411,100.20, 616,925.70 and 144,861.30

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Solution

The fourth proportional to 411,100.20, 616,925.70 and 144,861.30 is: 217,388.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,100.20 : 616,925.70 = 144,861.30 : x
  2. Step 2: Convert to fraction form
    411,100.20/616,925.70 = 144,861.30/x
  3. Step 3: Cross multiply
    411,100.20x = 616,925.70 × 144,861.30
  4. Step 4: Simplify right side
    411,100.20x = 89,368,658,905.41
  5. Step 5: Solve for x
    x = 89,368,658,905.41/411,100.20
  6. Step 6: Final answer
    x = 217,388.99

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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.