Home / 284,823.60-426,861.63-209,591.48

Finding the Fourth Proportional to 284,823.60, 426,861.63 and 209,591.48

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Solution

The fourth proportional to 284,823.60, 426,861.63 and 209,591.48 is: 314,112.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,823.60 : 426,861.63 = 209,591.48 : x
  2. Step 2: Convert to fraction form
    284,823.60/426,861.63 = 209,591.48/x
  3. Step 3: Cross multiply
    284,823.60x = 426,861.63 × 209,591.48
  4. Step 4: Simplify right side
    284,823.60x = 89,466,558,652.60
  5. Step 5: Solve for x
    x = 89,466,558,652.60/284,823.60
  6. Step 6: Final answer
    x = 314,112.17

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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.