Home / 349,318.16-523,538.82-149,403.50

Finding the Fourth Proportional to 349,318.16, 523,538.82 and 149,403.50

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Solution

The fourth proportional to 349,318.16, 523,538.82 and 149,403.50 is: 223,917.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,318.16 : 523,538.82 = 149,403.50 : x
  2. Step 2: Convert to fraction form
    349,318.16/523,538.82 = 149,403.50/x
  3. Step 3: Cross multiply
    349,318.16x = 523,538.82 × 149,403.50
  4. Step 4: Simplify right side
    349,318.16x = 78,218,532,093.87
  5. Step 5: Solve for x
    x = 78,218,532,093.87/349,318.16
  6. Step 6: Final answer
    x = 223,917.74

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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.