Home / 448,428.88-672,497.07-148,829.05

Finding the Fourth Proportional to 448,428.88, 672,497.07 and 148,829.05

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Solution

The fourth proportional to 448,428.88, 672,497.07 and 148,829.05 is: 223,195.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,428.88 : 672,497.07 = 148,829.05 : x
  2. Step 2: Convert to fraction form
    448,428.88/672,497.07 = 148,829.05/x
  3. Step 3: Cross multiply
    448,428.88x = 672,497.07 × 148,829.05
  4. Step 4: Simplify right side
    448,428.88x = 100,087,100,055.88
  5. Step 5: Solve for x
    x = 100,087,100,055.88/448,428.88
  6. Step 6: Final answer
    x = 223,195.04

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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.