Home / 242,469.49-334,618.26-135,039.50

Finding the Fourth Proportional to 242,469.49, 334,618.26 and 135,039.50

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Solution

The fourth proportional to 242,469.49, 334,618.26 and 135,039.50 is: 186,360.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,469.49 : 334,618.26 = 135,039.50 : x
  2. Step 2: Convert to fraction form
    242,469.49/334,618.26 = 135,039.50/x
  3. Step 3: Cross multiply
    242,469.49x = 334,618.26 × 135,039.50
  4. Step 4: Simplify right side
    242,469.49x = 45,186,682,521.27
  5. Step 5: Solve for x
    x = 45,186,682,521.27/242,469.49
  6. Step 6: Final answer
    x = 186,360.28

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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.