Home / 434,723.70-652,085.55-135,223.20

Finding the Fourth Proportional to 434,723.70, 652,085.55 and 135,223.20

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Solution

The fourth proportional to 434,723.70, 652,085.55 and 135,223.20 is: 202,834.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,723.70 : 652,085.55 = 135,223.20 : x
  2. Step 2: Convert to fraction form
    434,723.70/652,085.55 = 135,223.20/x
  3. Step 3: Cross multiply
    434,723.70x = 652,085.55 × 135,223.20
  4. Step 4: Simplify right side
    434,723.70x = 88,177,094,744.76
  5. Step 5: Solve for x
    x = 88,177,094,744.76/434,723.70
  6. Step 6: Final answer
    x = 202,834.80

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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.