Home / 200,501.32-300,565.10-100,544.72

Finding the Fourth Proportional to 200,501.32, 300,565.10 and 100,544.72

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Solution

The fourth proportional to 200,501.32, 300,565.10 and 100,544.72 is: 150,723.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,501.32 : 300,565.10 = 100,544.72 : x
  2. Step 2: Convert to fraction form
    200,501.32/300,565.10 = 100,544.72/x
  3. Step 3: Cross multiply
    200,501.32x = 300,565.10 × 100,544.72
  4. Step 4: Simplify right side
    200,501.32x = 30,220,232,428.42
  5. Step 5: Solve for x
    x = 30,220,232,428.42/200,501.32
  6. Step 6: Final answer
    x = 150,723.36

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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.