Home / 268,555.14-370,615.38-147,705.57

Finding the Fourth Proportional to 268,555.14, 370,615.38 and 147,705.57

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Solution

The fourth proportional to 268,555.14, 370,615.38 and 147,705.57 is: 203,838.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,555.14 : 370,615.38 = 147,705.57 : x
  2. Step 2: Convert to fraction form
    268,555.14/370,615.38 = 147,705.57/x
  3. Step 3: Cross multiply
    268,555.14x = 370,615.38 × 147,705.57
  4. Step 4: Simplify right side
    268,555.14x = 54,741,955,953.67
  5. Step 5: Solve for x
    x = 54,741,955,953.67/268,555.14
  6. Step 6: Final answer
    x = 203,838.79

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1.5x scale

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.