Home / 240,262.20-360,308.48-105,391.78

Finding the Fourth Proportional to 240,262.20, 360,308.48 and 105,391.78

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Solution

The fourth proportional to 240,262.20, 360,308.48 and 105,391.78 is: 158,050.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,262.20 : 360,308.48 = 105,391.78 : x
  2. Step 2: Convert to fraction form
    240,262.20/360,308.48 = 105,391.78/x
  3. Step 3: Cross multiply
    240,262.20x = 360,308.48 × 105,391.78
  4. Step 4: Simplify right side
    240,262.20x = 37,973,550,628.56
  5. Step 5: Solve for x
    x = 37,973,550,628.56/240,262.20
  6. Step 6: Final answer
    x = 158,050.46

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1.5x scale

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.