Home / 398,922.16-597,884.20-199,298.16

Finding the Fourth Proportional to 398,922.16, 597,884.20 and 199,298.16

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Solution

The fourth proportional to 398,922.16, 597,884.20 and 199,298.16 is: 298,697.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,922.16 : 597,884.20 = 199,298.16 : x
  2. Step 2: Convert to fraction form
    398,922.16/597,884.20 = 199,298.16/x
  3. Step 3: Cross multiply
    398,922.16x = 597,884.20 × 199,298.16
  4. Step 4: Simplify right side
    398,922.16x = 119,157,220,953.07
  5. Step 5: Solve for x
    x = 119,157,220,953.07/398,922.16
  6. Step 6: Final answer
    x = 298,697.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.