Home / 448,406.26-672,294.08-208,265.22

Finding the Fourth Proportional to 448,406.26, 672,294.08 and 208,265.22

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Solution

The fourth proportional to 448,406.26, 672,294.08 and 208,265.22 is: 312,251.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,406.26 : 672,294.08 = 208,265.22 : x
  2. Step 2: Convert to fraction form
    448,406.26/672,294.08 = 208,265.22/x
  3. Step 3: Cross multiply
    448,406.26x = 672,294.08 × 208,265.22
  4. Step 4: Simplify right side
    448,406.26x = 140,015,474,475.90
  5. Step 5: Solve for x
    x = 140,015,474,475.90/448,406.26
  6. Step 6: Final answer
    x = 312,251.38

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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.