Home / 317,628.08-476,428.92-80,976.56

Finding the Fourth Proportional to 317,628.08, 476,428.92 and 80,976.56

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Solution

The fourth proportional to 317,628.08, 476,428.92 and 80,976.56 is: 121,461.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,628.08 : 476,428.92 = 80,976.56 : x
  2. Step 2: Convert to fraction form
    317,628.08/476,428.92 = 80,976.56/x
  3. Step 3: Cross multiply
    317,628.08x = 476,428.92 × 80,976.56
  4. Step 4: Simplify right side
    317,628.08x = 38,579,575,026.12
  5. Step 5: Solve for x
    x = 38,579,575,026.12/317,628.08
  6. Step 6: Final answer
    x = 121,461.47

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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.