Home / 686,867.96-1,030,351.14-181,423.90

Finding the Fourth Proportional to 686,867.96, 1,030,351.14 and 181,423.90

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Solution

The fourth proportional to 686,867.96, 1,030,351.14 and 181,423.90 is: 272,148.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    686,867.96 : 1,030,351.14 = 181,423.90 : x
  2. Step 2: Convert to fraction form
    686,867.96/1,030,351.14 = 181,423.90/x
  3. Step 3: Cross multiply
    686,867.96x = 1,030,351.14 × 181,423.90
  4. Step 4: Simplify right side
    686,867.96x = 186,930,322,188.25
  5. Step 5: Solve for x
    x = 186,930,322,188.25/686,867.96
  6. Step 6: Final answer
    x = 272,148.85

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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.