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Finding the Fourth Proportional to 453,252.60, 680,402.70 and 243,300.60

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Solution

The fourth proportional to 453,252.60, 680,402.70 and 243,300.60 is: 365,232.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,252.60 : 680,402.70 = 243,300.60 : x
  2. Step 2: Convert to fraction form
    453,252.60/680,402.70 = 243,300.60/x
  3. Step 3: Cross multiply
    453,252.60x = 680,402.70 × 243,300.60
  4. Step 4: Simplify right side
    453,252.60x = 165,542,385,151.62
  5. Step 5: Solve for x
    x = 165,542,385,151.62/453,252.60
  6. Step 6: Final answer
    x = 365,232.07

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1.5x scale

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.