Home / 448,009.28-672,145.16-132,474.40

Finding the Fourth Proportional to 448,009.28, 672,145.16 and 132,474.40

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Solution

The fourth proportional to 448,009.28, 672,145.16 and 132,474.40 is: 198,750.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,009.28 : 672,145.16 = 132,474.40 : x
  2. Step 2: Convert to fraction form
    448,009.28/672,145.16 = 132,474.40/x
  3. Step 3: Cross multiply
    448,009.28x = 672,145.16 × 132,474.40
  4. Step 4: Simplify right side
    448,009.28x = 89,042,026,783.90
  5. Step 5: Solve for x
    x = 89,042,026,783.90/448,009.28
  6. Step 6: Final answer
    x = 198,750.41

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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.