Home / 490,042.85-676,251.18-272,246.81

Finding the Fourth Proportional to 490,042.85, 676,251.18 and 272,246.81

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Solution

The fourth proportional to 490,042.85, 676,251.18 and 272,246.81 is: 375,696.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,042.85 : 676,251.18 = 272,246.81 : x
  2. Step 2: Convert to fraction form
    490,042.85/676,251.18 = 272,246.81/x
  3. Step 3: Cross multiply
    490,042.85x = 676,251.18 × 272,246.81
  4. Step 4: Simplify right side
    490,042.85x = 184,107,223,132.48
  5. Step 5: Solve for x
    x = 184,107,223,132.48/490,042.85
  6. Step 6: Final answer
    x = 375,696.18

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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.