Home / 449,218.46-619,922.77-245,271.14

Finding the Fourth Proportional to 449,218.46, 619,922.77 and 245,271.14

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Solution

The fourth proportional to 449,218.46, 619,922.77 and 245,271.14 is: 338,474.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,218.46 : 619,922.77 = 245,271.14 : x
  2. Step 2: Convert to fraction form
    449,218.46/619,922.77 = 245,271.14/x
  3. Step 3: Cross multiply
    449,218.46x = 619,922.77 × 245,271.14
  4. Step 4: Simplify right side
    449,218.46x = 152,049,163,121.78
  5. Step 5: Solve for x
    x = 152,049,163,121.78/449,218.46
  6. Step 6: Final answer
    x = 338,474.88

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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.