Home / 448,403.18-672,993.32-235,321.65

Finding the Fourth Proportional to 448,403.18, 672,993.32 and 235,321.65

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Solution

The fourth proportional to 448,403.18, 672,993.32 and 235,321.65 is: 353,186.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,403.18 : 672,993.32 = 235,321.65 : x
  2. Step 2: Convert to fraction form
    448,403.18/672,993.32 = 235,321.65/x
  3. Step 3: Cross multiply
    448,403.18x = 672,993.32 × 235,321.65
  4. Step 4: Simplify right side
    448,403.18x = 158,369,897,324.77
  5. Step 5: Solve for x
    x = 158,369,897,324.77/448,403.18
  6. Step 6: Final answer
    x = 353,186.39

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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.