Home / 492,867.40-680,161.08-272,111.80

Finding the Fourth Proportional to 492,867.40, 680,161.08 and 272,111.80

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Solution

The fourth proportional to 492,867.40, 680,161.08 and 272,111.80 is: 375,516.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,867.40 : 680,161.08 = 272,111.80 : x
  2. Step 2: Convert to fraction form
    492,867.40/680,161.08 = 272,111.80/x
  3. Step 3: Cross multiply
    492,867.40x = 680,161.08 × 272,111.80
  4. Step 4: Simplify right side
    492,867.40x = 185,079,855,768.74
  5. Step 5: Solve for x
    x = 185,079,855,768.74/492,867.40
  6. Step 6: Final answer
    x = 375,516.53

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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.