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Finding the Fourth Proportional to 342,560.36, 513,892.50 and 248,500.33

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Solution

The fourth proportional to 342,560.36, 513,892.50 and 248,500.33 is: 372,788.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,560.36 : 513,892.50 = 248,500.33 : x
  2. Step 2: Convert to fraction form
    342,560.36/513,892.50 = 248,500.33/x
  3. Step 3: Cross multiply
    342,560.36x = 513,892.50 × 248,500.33
  4. Step 4: Simplify right side
    342,560.36x = 127,702,455,834.53
  5. Step 5: Solve for x
    x = 127,702,455,834.53/342,560.36
  6. Step 6: Final answer
    x = 372,788.19

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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.