Home / 426,597.14-639,500.34-160,534.10

Finding the Fourth Proportional to 426,597.14, 639,500.34 and 160,534.10

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Solution

The fourth proportional to 426,597.14, 639,500.34 and 160,534.10 is: 240,652.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,597.14 : 639,500.34 = 160,534.10 : x
  2. Step 2: Convert to fraction form
    426,597.14/639,500.34 = 160,534.10/x
  3. Step 3: Cross multiply
    426,597.14x = 639,500.34 × 160,534.10
  4. Step 4: Simplify right side
    426,597.14x = 102,661,611,531.59
  5. Step 5: Solve for x
    x = 102,661,611,531.59/426,597.14
  6. Step 6: Final answer
    x = 240,652.37

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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.