Home / 261,988.84-393,030.78-149,795.56

Finding the Fourth Proportional to 261,988.84, 393,030.78 and 149,795.56

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Solution

The fourth proportional to 261,988.84, 393,030.78 and 149,795.56 is: 224,720.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,988.84 : 393,030.78 = 149,795.56 : x
  2. Step 2: Convert to fraction form
    261,988.84/393,030.78 = 149,795.56/x
  3. Step 3: Cross multiply
    261,988.84x = 393,030.78 × 149,795.56
  4. Step 4: Simplify right side
    261,988.84x = 58,874,265,787.34
  5. Step 5: Solve for x
    x = 58,874,265,787.34/261,988.84
  6. Step 6: Final answer
    x = 224,720.51

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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.