Home / 397,639.68-596,275.20-148,254.72

Finding the Fourth Proportional to 397,639.68, 596,275.20 and 148,254.72

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Solution

The fourth proportional to 397,639.68, 596,275.20 and 148,254.72 is: 222,313.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,639.68 : 596,275.20 = 148,254.72 : x
  2. Step 2: Convert to fraction form
    397,639.68/596,275.20 = 148,254.72/x
  3. Step 3: Cross multiply
    397,639.68x = 596,275.20 × 148,254.72
  4. Step 4: Simplify right side
    397,639.68x = 88,400,612,818.94
  5. Step 5: Solve for x
    x = 88,400,612,818.94/397,639.68
  6. Step 6: Final answer
    x = 222,313.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.