Home / 349,683.28-524,434.16-100,306.96

Finding the Fourth Proportional to 349,683.28, 524,434.16 and 100,306.96

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Solution

The fourth proportional to 349,683.28, 524,434.16 and 100,306.96 is: 150,434.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,683.28 : 524,434.16 = 100,306.96 : x
  2. Step 2: Convert to fraction form
    349,683.28/524,434.16 = 100,306.96/x
  3. Step 3: Cross multiply
    349,683.28x = 524,434.16 × 100,306.96
  4. Step 4: Simplify right side
    349,683.28x = 52,604,396,309.75
  5. Step 5: Solve for x
    x = 52,604,396,309.75/349,683.28
  6. Step 6: Final answer
    x = 150,434.41

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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.