Home / 268,557.12-370,601.64-147,710.76

Finding the Fourth Proportional to 268,557.12, 370,601.64 and 147,710.76

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Solution

The fourth proportional to 268,557.12, 370,601.64 and 147,710.76 is: 203,836.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,557.12 : 370,601.64 = 147,710.76 : x
  2. Step 2: Convert to fraction form
    268,557.12/370,601.64 = 147,710.76/x
  3. Step 3: Cross multiply
    268,557.12x = 370,601.64 × 147,710.76
  4. Step 4: Simplify right side
    268,557.12x = 54,741,849,901.65
  5. Step 5: Solve for x
    x = 54,741,849,901.65/268,557.12
  6. Step 6: Final answer
    x = 203,836.90

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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.