Home / 448,430.88-672,500.07-148,831.05

Finding the Fourth Proportional to 448,430.88, 672,500.07 and 148,831.05

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Solution

The fourth proportional to 448,430.88, 672,500.07 and 148,831.05 is: 223,198.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,430.88 : 672,500.07 = 148,831.05 : x
  2. Step 2: Convert to fraction form
    448,430.88/672,500.07 = 148,831.05/x
  3. Step 3: Cross multiply
    448,430.88x = 672,500.07 × 148,831.05
  4. Step 4: Simplify right side
    448,430.88x = 100,088,891,543.17
  5. Step 5: Solve for x
    x = 100,088,891,543.17/448,430.88
  6. Step 6: Final answer
    x = 223,198.04

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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.