Home / 229,112.90-343,669.35-225,613.70

Finding the Fourth Proportional to 229,112.90, 343,669.35 and 225,613.70

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Solution

The fourth proportional to 229,112.90, 343,669.35 and 225,613.70 is: 338,420.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,112.90 : 343,669.35 = 225,613.70 : x
  2. Step 2: Convert to fraction form
    229,112.90/343,669.35 = 225,613.70/x
  3. Step 3: Cross multiply
    229,112.90x = 343,669.35 × 225,613.70
  4. Step 4: Simplify right side
    229,112.90x = 77,536,513,630.10
  5. Step 5: Solve for x
    x = 77,536,513,630.10/229,112.90
  6. Step 6: Final answer
    x = 338,420.55

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1.5x scale

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.