Home / 275,538.74-412,913.43-156,965.24

Finding the Fourth Proportional to 275,538.74, 412,913.43 and 156,965.24

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Solution

The fourth proportional to 275,538.74, 412,913.43 and 156,965.24 is: 235,223.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,538.74 : 412,913.43 = 156,965.24 : x
  2. Step 2: Convert to fraction form
    275,538.74/412,913.43 = 156,965.24/x
  3. Step 3: Cross multiply
    275,538.74x = 412,913.43 × 156,965.24
  4. Step 4: Simplify right side
    275,538.74x = 64,813,055,639.17
  5. Step 5: Solve for x
    x = 64,813,055,639.17/275,538.74
  6. Step 6: Final answer
    x = 235,223.02

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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.