Home / 448,507.14-672,646.10-132,890.24

Finding the Fourth Proportional to 448,507.14, 672,646.10 and 132,890.24

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Solution

The fourth proportional to 448,507.14, 672,646.10 and 132,890.24 is: 199,301.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,507.14 : 672,646.10 = 132,890.24 : x
  2. Step 2: Convert to fraction form
    448,507.14/672,646.10 = 132,890.24/x
  3. Step 3: Cross multiply
    448,507.14x = 672,646.10 × 132,890.24
  4. Step 4: Simplify right side
    448,507.14x = 89,388,097,636.38
  5. Step 5: Solve for x
    x = 89,388,097,636.38/448,507.14
  6. Step 6: Final answer
    x = 199,301.39

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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.