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Finding the Fourth Proportional to 453,779.80, 680,510.97 and 133,846.78

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Solution

The fourth proportional to 453,779.80, 680,510.97 and 133,846.78 is: 200,723.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,779.80 : 680,510.97 = 133,846.78 : x
  2. Step 2: Convert to fraction form
    453,779.80/680,510.97 = 133,846.78/x
  3. Step 3: Cross multiply
    453,779.80x = 680,510.97 × 133,846.78
  4. Step 4: Simplify right side
    453,779.80x = 91,084,202,089.18
  5. Step 5: Solve for x
    x = 91,084,202,089.18/453,779.80
  6. Step 6: Final answer
    x = 200,723.35

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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.