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Finding the Fourth Proportional to 453,439.62, 680,019.95 and 149,779.22

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Solution

The fourth proportional to 453,439.62, 680,019.95 and 149,779.22 is: 224,622.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,439.62 : 680,019.95 = 149,779.22 : x
  2. Step 2: Convert to fraction form
    453,439.62/680,019.95 = 149,779.22/x
  3. Step 3: Cross multiply
    453,439.62x = 680,019.95 × 149,779.22
  4. Step 4: Simplify right side
    453,439.62x = 101,852,857,320.99
  5. Step 5: Solve for x
    x = 101,852,857,320.99/453,439.62
  6. Step 6: Final answer
    x = 224,622.76

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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.