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Finding the Fourth Proportional to 267,069.20, 400,603.80 and 167,536.40

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Solution

The fourth proportional to 267,069.20, 400,603.80 and 167,536.40 is: 251,304.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,069.20 : 400,603.80 = 167,536.40 : x
  2. Step 2: Convert to fraction form
    267,069.20/400,603.80 = 167,536.40/x
  3. Step 3: Cross multiply
    267,069.20x = 400,603.80 × 167,536.40
  4. Step 4: Simplify right side
    267,069.20x = 67,115,718,478.32
  5. Step 5: Solve for x
    x = 67,115,718,478.32/267,069.20
  6. Step 6: Final answer
    x = 251,304.60

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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.