Home / 268,439.75-370,437.40-147,580.18

Finding the Fourth Proportional to 268,439.75, 370,437.40 and 147,580.18

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Solution

The fourth proportional to 268,439.75, 370,437.40 and 147,580.18 is: 203,655.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,439.75 : 370,437.40 = 147,580.18 : x
  2. Step 2: Convert to fraction form
    268,439.75/370,437.40 = 147,580.18/x
  3. Step 3: Cross multiply
    268,439.75x = 370,437.40 × 147,580.18
  4. Step 4: Simplify right side
    268,439.75x = 54,669,218,170.73
  5. Step 5: Solve for x
    x = 54,669,218,170.73/268,439.75
  6. Step 6: Final answer
    x = 203,655.45

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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.