Home / 360,390.28-497,348.97-199,255.74

Finding the Fourth Proportional to 360,390.28, 497,348.97 and 199,255.74

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Solution

The fourth proportional to 360,390.28, 497,348.97 and 199,255.74 is: 274,978.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,390.28 : 497,348.97 = 199,255.74 : x
  2. Step 2: Convert to fraction form
    360,390.28/497,348.97 = 199,255.74/x
  3. Step 3: Cross multiply
    360,390.28x = 497,348.97 × 199,255.74
  4. Step 4: Simplify right side
    360,390.28x = 99,099,637,055.59
  5. Step 5: Solve for x
    x = 99,099,637,055.59/360,390.28
  6. Step 6: Final answer
    x = 274,978.66

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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.