Home / 485,110.42-669,423.22-270,212.16

Finding the Fourth Proportional to 485,110.42, 669,423.22 and 270,212.16

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Solution

The fourth proportional to 485,110.42, 669,423.22 and 270,212.16 is: 372,876.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,110.42 : 669,423.22 = 270,212.16 : x
  2. Step 2: Convert to fraction form
    485,110.42/669,423.22 = 270,212.16/x
  3. Step 3: Cross multiply
    485,110.42x = 669,423.22 × 270,212.16
  4. Step 4: Simplify right side
    485,110.42x = 180,886,294,230.36
  5. Step 5: Solve for x
    x = 180,886,294,230.36/485,110.42
  6. Step 6: Final answer
    x = 372,876.54

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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.