Home / 494,888.26-742,325.88-120,914.50

Finding the Fourth Proportional to 494,888.26, 742,325.88 and 120,914.50

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Solution

The fourth proportional to 494,888.26, 742,325.88 and 120,914.50 is: 181,370.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,888.26 : 742,325.88 = 120,914.50 : x
  2. Step 2: Convert to fraction form
    494,888.26/742,325.88 = 120,914.50/x
  3. Step 3: Cross multiply
    494,888.26x = 742,325.88 × 120,914.50
  4. Step 4: Simplify right side
    494,888.26x = 89,757,962,617.26
  5. Step 5: Solve for x
    x = 89,757,962,617.26/494,888.26
  6. Step 6: Final answer
    x = 181,370.16

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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.