Home / 200,723.10-301,084.65-199,340.70

Finding the Fourth Proportional to 200,723.10, 301,084.65 and 199,340.70

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Solution

The fourth proportional to 200,723.10, 301,084.65 and 199,340.70 is: 299,011.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,723.10 : 301,084.65 = 199,340.70 : x
  2. Step 2: Convert to fraction form
    200,723.10/301,084.65 = 199,340.70/x
  3. Step 3: Cross multiply
    200,723.10x = 301,084.65 × 199,340.70
  4. Step 4: Simplify right side
    200,723.10x = 60,018,424,890.26
  5. Step 5: Solve for x
    x = 60,018,424,890.26/200,723.10
  6. Step 6: Final answer
    x = 299,011.05

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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.