Home / 252,530.30-348,551.43-145,162.61

Finding the Fourth Proportional to 252,530.30, 348,551.43 and 145,162.61

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Solution

The fourth proportional to 252,530.30, 348,551.43 and 145,162.61 is: 200,358.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,530.30 : 348,551.43 = 145,162.61 : x
  2. Step 2: Convert to fraction form
    252,530.30/348,551.43 = 145,162.61/x
  3. Step 3: Cross multiply
    252,530.30x = 348,551.43 × 145,162.61
  4. Step 4: Simplify right side
    252,530.30x = 50,596,633,555.28
  5. Step 5: Solve for x
    x = 50,596,633,555.28/252,530.30
  6. Step 6: Final answer
    x = 200,358.67

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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.