Home / 317,399.31-437,465.61-302,451.17

Finding the Fourth Proportional to 317,399.31, 437,465.61 and 302,451.17

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Solution

The fourth proportional to 317,399.31, 437,465.61 and 302,451.17 is: 416,862.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,399.31 : 437,465.61 = 302,451.17 : x
  2. Step 2: Convert to fraction form
    317,399.31/437,465.61 = 302,451.17/x
  3. Step 3: Cross multiply
    317,399.31x = 437,465.61 × 302,451.17
  4. Step 4: Simplify right side
    317,399.31x = 132,311,983,391.94
  5. Step 5: Solve for x
    x = 132,311,983,391.94/317,399.31
  6. Step 6: Final answer
    x = 416,862.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.