Home / 257,028.20-385,568.44-88,526.60

Finding the Fourth Proportional to 257,028.20, 385,568.44 and 88,526.60

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Solution

The fourth proportional to 257,028.20, 385,568.44 and 88,526.60 is: 132,798.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,028.20 : 385,568.44 = 88,526.60 : x
  2. Step 2: Convert to fraction form
    257,028.20/385,568.44 = 88,526.60/x
  3. Step 3: Cross multiply
    257,028.20x = 385,568.44 × 88,526.60
  4. Step 4: Simplify right side
    257,028.20x = 34,133,063,060.50
  5. Step 5: Solve for x
    x = 34,133,063,060.50/257,028.20
  6. Step 6: Final answer
    x = 132,798.90

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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.