Home / 362,621.98-500,407.05-199,278.10

Finding the Fourth Proportional to 362,621.98, 500,407.05 and 199,278.10

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Solution

The fourth proportional to 362,621.98, 500,407.05 and 199,278.10 is: 274,997.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,621.98 : 500,407.05 = 199,278.10 : x
  2. Step 2: Convert to fraction form
    362,621.98/500,407.05 = 199,278.10/x
  3. Step 3: Cross multiply
    362,621.98x = 500,407.05 × 199,278.10
  4. Step 4: Simplify right side
    362,621.98x = 99,720,166,150.61
  5. Step 5: Solve for x
    x = 99,720,166,150.61/362,621.98
  6. Step 6: Final answer
    x = 274,997.58

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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.