Home / 372,738.20-559,107.30-313,689.20

Finding the Fourth Proportional to 372,738.20, 559,107.30 and 313,689.20

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Solution

The fourth proportional to 372,738.20, 559,107.30 and 313,689.20 is: 470,533.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,738.20 : 559,107.30 = 313,689.20 : x
  2. Step 2: Convert to fraction form
    372,738.20/559,107.30 = 313,689.20/x
  3. Step 3: Cross multiply
    372,738.20x = 559,107.30 × 313,689.20
  4. Step 4: Simplify right side
    372,738.20x = 175,385,921,651.16
  5. Step 5: Solve for x
    x = 175,385,921,651.16/372,738.20
  6. Step 6: Final answer
    x = 470,533.80

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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.