Home / 228,401.80-315,122.02-132,890.04

Finding the Fourth Proportional to 228,401.80, 315,122.02 and 132,890.04

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Solution

The fourth proportional to 228,401.80, 315,122.02 and 132,890.04 is: 183,346.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,401.80 : 315,122.02 = 132,890.04 : x
  2. Step 2: Convert to fraction form
    228,401.80/315,122.02 = 132,890.04/x
  3. Step 3: Cross multiply
    228,401.80x = 315,122.02 × 132,890.04
  4. Step 4: Simplify right side
    228,401.80x = 41,876,577,842.68
  5. Step 5: Solve for x
    x = 41,876,577,842.68/228,401.80
  6. Step 6: Final answer
    x = 183,346.09

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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.