Home / 268,645.64-370,728.32-147,787.07

Finding the Fourth Proportional to 268,645.64, 370,728.32 and 147,787.07

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Solution

The fourth proportional to 268,645.64, 370,728.32 and 147,787.07 is: 203,944.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,645.64 : 370,728.32 = 147,787.07 : x
  2. Step 2: Convert to fraction form
    268,645.64/370,728.32 = 147,787.07/x
  3. Step 3: Cross multiply
    268,645.64x = 370,728.32 × 147,787.07
  4. Step 4: Simplify right side
    268,645.64x = 54,788,849,586.25
  5. Step 5: Solve for x
    x = 54,788,849,586.25/268,645.64
  6. Step 6: Final answer
    x = 203,944.69

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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.