Home / 448,212.71-672,317.66-140,488.13

Finding the Fourth Proportional to 448,212.71, 672,317.66 and 140,488.13

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Solution

The fourth proportional to 448,212.71, 672,317.66 and 140,488.13 is: 210,731.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,212.71 : 672,317.66 = 140,488.13 : x
  2. Step 2: Convert to fraction form
    448,212.71/672,317.66 = 140,488.13/x
  3. Step 3: Cross multiply
    448,212.71x = 672,317.66 × 140,488.13
  4. Step 4: Simplify right side
    448,212.71x = 94,452,647,809.01
  5. Step 5: Solve for x
    x = 94,452,647,809.01/448,212.71
  6. Step 6: Final answer
    x = 210,731.75

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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.