Home / 448,916.88-673,488.12-129,069.35

Finding the Fourth Proportional to 448,916.88, 673,488.12 and 129,069.35

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Solution

The fourth proportional to 448,916.88, 673,488.12 and 129,069.35 is: 193,636.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,916.88 : 673,488.12 = 129,069.35 : x
  2. Step 2: Convert to fraction form
    448,916.88/673,488.12 = 129,069.35/x
  3. Step 3: Cross multiply
    448,916.88x = 673,488.12 × 129,069.35
  4. Step 4: Simplify right side
    448,916.88x = 86,926,672,797.26
  5. Step 5: Solve for x
    x = 86,926,672,797.26/448,916.88
  6. Step 6: Final answer
    x = 193,636.45

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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.