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Finding the Fourth Proportional to 267,386.90, 401,080.35 and 89,834.90

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Solution

The fourth proportional to 267,386.90, 401,080.35 and 89,834.90 is: 134,752.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,386.90 : 401,080.35 = 89,834.90 : x
  2. Step 2: Convert to fraction form
    267,386.90/401,080.35 = 89,834.90/x
  3. Step 3: Cross multiply
    267,386.90x = 401,080.35 × 89,834.90
  4. Step 4: Simplify right side
    267,386.90x = 36,031,013,134.22
  5. Step 5: Solve for x
    x = 36,031,013,134.22/267,386.90
  6. Step 6: Final answer
    x = 134,752.35

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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.