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Finding the Fourth Proportional to 342,775.68, 513,493.92 and 236,140.80

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Solution

The fourth proportional to 342,775.68, 513,493.92 and 236,140.80 is: 353,749.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,775.68 : 513,493.92 = 236,140.80 : x
  2. Step 2: Convert to fraction form
    342,775.68/513,493.92 = 236,140.80/x
  3. Step 3: Cross multiply
    342,775.68x = 513,493.92 × 236,140.80
  4. Step 4: Simplify right side
    342,775.68x = 121,256,865,063.94
  5. Step 5: Solve for x
    x = 121,256,865,063.94/342,775.68
  6. Step 6: Final answer
    x = 353,749.91

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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.