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Finding the Fourth Proportional to 267,002.70, 399,726.45 and 259,226.70

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Solution

The fourth proportional to 267,002.70, 399,726.45 and 259,226.70 is: 388,085.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,002.70 : 399,726.45 = 259,226.70 : x
  2. Step 2: Convert to fraction form
    267,002.70/399,726.45 = 259,226.70/x
  3. Step 3: Cross multiply
    267,002.70x = 399,726.45 × 259,226.70
  4. Step 4: Simplify right side
    267,002.70x = 103,619,768,536.22
  5. Step 5: Solve for x
    x = 103,619,768,536.22/267,002.70
  6. Step 6: Final answer
    x = 388,085.10

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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.