Home / 269,130.20-403,209.30-156,718.40

Finding the Fourth Proportional to 269,130.20, 403,209.30 and 156,718.40

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Solution

The fourth proportional to 269,130.20, 403,209.30 and 156,718.40 is: 234,794.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,130.20 : 403,209.30 = 156,718.40 : x
  2. Step 2: Convert to fraction form
    269,130.20/403,209.30 = 156,718.40/x
  3. Step 3: Cross multiply
    269,130.20x = 403,209.30 × 156,718.40
  4. Step 4: Simplify right side
    269,130.20x = 63,190,316,361.12
  5. Step 5: Solve for x
    x = 63,190,316,361.12/269,130.20
  6. Step 6: Final answer
    x = 234,794.60

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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.