Home / 448,329.90-672,640.23-268,387.29

Finding the Fourth Proportional to 448,329.90, 672,640.23 and 268,387.29

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Solution

The fourth proportional to 448,329.90, 672,640.23 and 268,387.29 is: 402,667.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,329.90 : 672,640.23 = 268,387.29 : x
  2. Step 2: Convert to fraction form
    448,329.90/672,640.23 = 268,387.29/x
  3. Step 3: Cross multiply
    448,329.90x = 672,640.23 × 268,387.29
  4. Step 4: Simplify right side
    448,329.90x = 180,528,088,474.68
  5. Step 5: Solve for x
    x = 180,528,088,474.68/448,329.90
  6. Step 6: Final answer
    x = 402,667.96

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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.