Home / 448,155.38-672,231.25-181,913.65

Finding the Fourth Proportional to 448,155.38, 672,231.25 and 181,913.65

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Solution

The fourth proportional to 448,155.38, 672,231.25 and 181,913.65 is: 272,869.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,155.38 : 672,231.25 = 181,913.65 : x
  2. Step 2: Convert to fraction form
    448,155.38/672,231.25 = 181,913.65/x
  3. Step 3: Cross multiply
    448,155.38x = 672,231.25 × 181,913.65
  4. Step 4: Simplify right side
    448,155.38x = 122,288,038,878.38
  5. Step 5: Solve for x
    x = 122,288,038,878.38/448,155.38
  6. Step 6: Final answer
    x = 272,869.73

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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.