Home / 449,117.30-619,698.95-255,513.70

Finding the Fourth Proportional to 449,117.30, 619,698.95 and 255,513.70

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Solution

The fourth proportional to 449,117.30, 619,698.95 and 255,513.70 is: 352,561.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,117.30 : 619,698.95 = 255,513.70 : x
  2. Step 2: Convert to fraction form
    449,117.30/619,698.95 = 255,513.70/x
  3. Step 3: Cross multiply
    449,117.30x = 619,698.95 × 255,513.70
  4. Step 4: Simplify right side
    449,117.30x = 158,341,568,773.80
  5. Step 5: Solve for x
    x = 158,341,568,773.80/449,117.30
  6. Step 6: Final answer
    x = 352,561.73

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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.