Home / 448,516.06-672,887.70-148,998.12

Finding the Fourth Proportional to 448,516.06, 672,887.70 and 148,998.12

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Solution

The fourth proportional to 448,516.06, 672,887.70 and 148,998.12 is: 223,534.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,516.06 : 672,887.70 = 148,998.12 : x
  2. Step 2: Convert to fraction form
    448,516.06/672,887.70 = 148,998.12/x
  3. Step 3: Cross multiply
    448,516.06x = 672,887.70 × 148,998.12
  4. Step 4: Simplify right side
    448,516.06x = 100,259,002,271.12
  5. Step 5: Solve for x
    x = 100,259,002,271.12/448,516.06
  6. Step 6: Final answer
    x = 223,534.92

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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.