Home / 408,401.29-563,628.17-227,148.20

Finding the Fourth Proportional to 408,401.29, 563,628.17 and 227,148.20

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Solution

The fourth proportional to 408,401.29, 563,628.17 and 227,148.20 is: 313,483.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,401.29 : 563,628.17 = 227,148.20 : x
  2. Step 2: Convert to fraction form
    408,401.29/563,628.17 = 227,148.20/x
  3. Step 3: Cross multiply
    408,401.29x = 563,628.17 × 227,148.20
  4. Step 4: Simplify right side
    408,401.29x = 128,027,124,148.13
  5. Step 5: Solve for x
    x = 128,027,124,148.13/408,401.29
  6. Step 6: Final answer
    x = 313,483.64

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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.