Home / 318,061.76-438,916.56-174,821.84

Finding the Fourth Proportional to 318,061.76, 438,916.56 and 174,821.84

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Solution

The fourth proportional to 318,061.76, 438,916.56 and 174,821.84 is: 241,249.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,061.76 : 438,916.56 = 174,821.84 : x
  2. Step 2: Convert to fraction form
    318,061.76/438,916.56 = 174,821.84/x
  3. Step 3: Cross multiply
    318,061.76x = 438,916.56 × 174,821.84
  4. Step 4: Simplify right side
    318,061.76x = 76,732,200,625.67
  5. Step 5: Solve for x
    x = 76,732,200,625.67/318,061.76
  6. Step 6: Final answer
    x = 241,249.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.