Home / 494,928.78-742,392.88-179,385.18

Finding the Fourth Proportional to 494,928.78, 742,392.88 and 179,385.18

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Solution

The fourth proportional to 494,928.78, 742,392.88 and 179,385.18 is: 269,077.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,928.78 : 742,392.88 = 179,385.18 : x
  2. Step 2: Convert to fraction form
    494,928.78/742,392.88 = 179,385.18/x
  3. Step 3: Cross multiply
    494,928.78x = 742,392.88 × 179,385.18
  4. Step 4: Simplify right side
    494,928.78x = 133,174,280,409.52
  5. Step 5: Solve for x
    x = 133,174,280,409.52/494,928.78
  6. Step 6: Final answer
    x = 269,077.66

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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.