Home / 674,534.88-1,011,778.12-169,100.02

Finding the Fourth Proportional to 674,534.88, 1,011,778.12 and 169,100.02

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Solution

The fourth proportional to 674,534.88, 1,011,778.12 and 169,100.02 is: 253,643.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,534.88 : 1,011,778.12 = 169,100.02 : x
  2. Step 2: Convert to fraction form
    674,534.88/1,011,778.12 = 169,100.02/x
  3. Step 3: Cross multiply
    674,534.88x = 1,011,778.12 × 169,100.02
  4. Step 4: Simplify right side
    674,534.88x = 171,091,700,327.56
  5. Step 5: Solve for x
    x = 171,091,700,327.56/674,534.88
  6. Step 6: Final answer
    x = 253,643.96

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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.