Home / 268,719.23-403,079.15-69,041.27

Finding the Fourth Proportional to 268,719.23, 403,079.15 and 69,041.27

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Solution

The fourth proportional to 268,719.23, 403,079.15 and 69,041.27 is: 103,561.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,719.23 : 403,079.15 = 69,041.27 : x
  2. Step 2: Convert to fraction form
    268,719.23/403,079.15 = 69,041.27/x
  3. Step 3: Cross multiply
    268,719.23x = 403,079.15 × 69,041.27
  4. Step 4: Simplify right side
    268,719.23x = 27,829,094,951.14
  5. Step 5: Solve for x
    x = 27,829,094,951.14/268,719.23
  6. Step 6: Final answer
    x = 103,561.98

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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.