Home / 472,145.28-651,540-268,195.56

Finding the Fourth Proportional to 472,145.28, 651,540 and 268,195.56

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Solution

The fourth proportional to 472,145.28, 651,540 and 268,195.56 is: 370,098.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,145.28 : 651,540 = 268,195.56 : x
  2. Step 2: Convert to fraction form
    472,145.28/651,540 = 268,195.56/x
  3. Step 3: Cross multiply
    472,145.28x = 651,540 × 268,195.56
  4. Step 4: Simplify right side
    472,145.28x = 174,740,135,162.40
  5. Step 5: Solve for x
    x = 174,740,135,162.40/472,145.28
  6. Step 6: Final answer
    x = 370,098.24

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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.