Home / 206,727.07-310,035.25-56,931.76

Finding the Fourth Proportional to 206,727.07, 310,035.25 and 56,931.76

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Solution

The fourth proportional to 206,727.07, 310,035.25 and 56,931.76 is: 85,382.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,727.07 : 310,035.25 = 56,931.76 : x
  2. Step 2: Convert to fraction form
    206,727.07/310,035.25 = 56,931.76/x
  3. Step 3: Cross multiply
    206,727.07x = 310,035.25 × 56,931.76
  4. Step 4: Simplify right side
    206,727.07x = 17,650,850,609.71
  5. Step 5: Solve for x
    x = 17,650,850,609.71/206,727.07
  6. Step 6: Final answer
    x = 85,382.39

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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.