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Finding the Fourth Proportional to 342,632, 513,948 and 93,314

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Solution

The fourth proportional to 342,632, 513,948 and 93,314 is: 139,971

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,632 : 513,948 = 93,314 : x
  2. Step 2: Convert to fraction form
    342,632/513,948 = 93,314/x
  3. Step 3: Cross multiply
    342,632x = 513,948 × 93,314
  4. Step 4: Simplify right side
    342,632x = 47,958,543,672
  5. Step 5: Solve for x
    x = 47,958,543,672/342,632
  6. Step 6: Final answer
    x = 139,971

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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.