Home / 313,285.46-469,296.07-144,571.37

Finding the Fourth Proportional to 313,285.46, 469,296.07 and 144,571.37

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Solution

The fourth proportional to 313,285.46, 469,296.07 and 144,571.37 is: 216,565.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,285.46 : 469,296.07 = 144,571.37 : x
  2. Step 2: Convert to fraction form
    313,285.46/469,296.07 = 144,571.37/x
  3. Step 3: Cross multiply
    313,285.46x = 469,296.07 × 144,571.37
  4. Step 4: Simplify right side
    313,285.46x = 67,846,773,067.61
  5. Step 5: Solve for x
    x = 67,846,773,067.61/313,285.46
  6. Step 6: Final answer
    x = 216,565.35

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1.5x scale

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.