Home / 453,253.10-680,403.45-243,301.10

Finding the Fourth Proportional to 453,253.10, 680,403.45 and 243,301.10

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Solution

The fourth proportional to 453,253.10, 680,403.45 and 243,301.10 is: 365,232.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,253.10 : 680,403.45 = 243,301.10 : x
  2. Step 2: Convert to fraction form
    453,253.10/680,403.45 = 243,301.10/x
  3. Step 3: Cross multiply
    453,253.10x = 680,403.45 × 243,301.10
  4. Step 4: Simplify right side
    453,253.10x = 165,542,907,828.80
  5. Step 5: Solve for x
    x = 165,542,907,828.80/453,253.10
  6. Step 6: Final answer
    x = 365,232.82

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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.