Home / 447,608.05-671,419.19-249,189.55

Finding the Fourth Proportional to 447,608.05, 671,419.19 and 249,189.55

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Solution

The fourth proportional to 447,608.05, 671,419.19 and 249,189.55 is: 373,788.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,608.05 : 671,419.19 = 249,189.55 : x
  2. Step 2: Convert to fraction form
    447,608.05/671,419.19 = 249,189.55/x
  3. Step 3: Cross multiply
    447,608.05x = 671,419.19 × 249,189.55
  4. Step 4: Simplify right side
    447,608.05x = 167,310,645,817.46
  5. Step 5: Solve for x
    x = 167,310,645,817.46/447,608.05
  6. Step 6: Final answer
    x = 373,788.29

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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.