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Finding the Fourth Proportional to 267,119.64, 400,700.39 and 77,583.15

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Solution

The fourth proportional to 267,119.64, 400,700.39 and 77,583.15 is: 116,380.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,119.64 : 400,700.39 = 77,583.15 : x
  2. Step 2: Convert to fraction form
    267,119.64/400,700.39 = 77,583.15/x
  3. Step 3: Cross multiply
    267,119.64x = 400,700.39 × 77,583.15
  4. Step 4: Simplify right side
    267,119.64x = 31,087,598,074.51
  5. Step 5: Solve for x
    x = 31,087,598,074.51/267,119.64
  6. Step 6: Final answer
    x = 116,380.80

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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.