Home / 269,195.12-371,484.60-156,028.40

Finding the Fourth Proportional to 269,195.12, 371,484.60 and 156,028.40

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Solution

The fourth proportional to 269,195.12, 371,484.60 and 156,028.40 is: 215,316.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,195.12 : 371,484.60 = 156,028.40 : x
  2. Step 2: Convert to fraction form
    269,195.12/371,484.60 = 156,028.40/x
  3. Step 3: Cross multiply
    269,195.12x = 371,484.60 × 156,028.40
  4. Step 4: Simplify right side
    269,195.12x = 57,962,147,762.64
  5. Step 5: Solve for x
    x = 57,962,147,762.64/269,195.12
  6. Step 6: Final answer
    x = 215,316.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.