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Finding the Fourth Proportional to 349,793.76, 524,764.98 and 113,118.42

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Solution

The fourth proportional to 349,793.76, 524,764.98 and 113,118.42 is: 169,701.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,793.76 : 524,764.98 = 113,118.42 : x
  2. Step 2: Convert to fraction form
    349,793.76/524,764.98 = 113,118.42/x
  3. Step 3: Cross multiply
    349,793.76x = 524,764.98 × 113,118.42
  4. Step 4: Simplify right side
    349,793.76x = 59,360,585,408.93
  5. Step 5: Solve for x
    x = 59,360,585,408.93/349,793.76
  6. Step 6: Final answer
    x = 169,701.67

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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.