Home / 203,280.90-280,504.38-112,614.22

Finding the Fourth Proportional to 203,280.90, 280,504.38 and 112,614.22

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Solution

The fourth proportional to 203,280.90, 280,504.38 and 112,614.22 is: 155,394.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,280.90 : 280,504.38 = 112,614.22 : x
  2. Step 2: Convert to fraction form
    203,280.90/280,504.38 = 112,614.22/x
  3. Step 3: Cross multiply
    203,280.90x = 280,504.38 × 112,614.22
  4. Step 4: Simplify right side
    203,280.90x = 31,588,781,960.28
  5. Step 5: Solve for x
    x = 31,588,781,960.28/203,280.90
  6. Step 6: Final answer
    x = 155,394.74

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1.5x scale

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.