Home / 330,589.48-456,433.18-253,972.12

Finding the Fourth Proportional to 330,589.48, 456,433.18 and 253,972.12

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Solution

The fourth proportional to 330,589.48, 456,433.18 and 253,972.12 is: 350,650.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,589.48 : 456,433.18 = 253,972.12 : x
  2. Step 2: Convert to fraction form
    330,589.48/456,433.18 = 253,972.12/x
  3. Step 3: Cross multiply
    330,589.48x = 456,433.18 × 253,972.12
  4. Step 4: Simplify right side
    330,589.48x = 115,921,302,362.94
  5. Step 5: Solve for x
    x = 115,921,302,362.94/330,589.48
  6. Step 6: Final answer
    x = 350,650.31

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1.5x scale

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.