Home / 449,240.70-619,947.42-245,290.98

Finding the Fourth Proportional to 449,240.70, 619,947.42 and 245,290.98

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Solution

The fourth proportional to 449,240.70, 619,947.42 and 245,290.98 is: 338,498.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,240.70 : 619,947.42 = 245,290.98 : x
  2. Step 2: Convert to fraction form
    449,240.70/619,947.42 = 245,290.98/x
  3. Step 3: Cross multiply
    449,240.70x = 619,947.42 × 245,290.98
  4. Step 4: Simplify right side
    449,240.70x = 152,067,510,200.27
  5. Step 5: Solve for x
    x = 152,067,510,200.27/449,240.70
  6. Step 6: Final answer
    x = 338,498.96

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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.