Home / 349,389.28-523,993.20-100,012.96

Finding the Fourth Proportional to 349,389.28, 523,993.20 and 100,012.96

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Solution

The fourth proportional to 349,389.28, 523,993.20 and 100,012.96 is: 149,993.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,389.28 : 523,993.20 = 100,012.96 : x
  2. Step 2: Convert to fraction form
    349,389.28/523,993.20 = 100,012.96/x
  3. Step 3: Cross multiply
    349,389.28x = 523,993.20 × 100,012.96
  4. Step 4: Simplify right side
    349,389.28x = 52,406,110,951.87
  5. Step 5: Solve for x
    x = 52,406,110,951.87/349,389.28
  6. Step 6: Final answer
    x = 149,993.47

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1.5x scale

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.