Home / 268,629.84-370,710.03-147,780.32

Finding the Fourth Proportional to 268,629.84, 370,710.03 and 147,780.32

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Solution

The fourth proportional to 268,629.84, 370,710.03 and 147,780.32 is: 203,937.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,629.84 : 370,710.03 = 147,780.32 : x
  2. Step 2: Convert to fraction form
    268,629.84/370,710.03 = 147,780.32/x
  3. Step 3: Cross multiply
    268,629.84x = 370,710.03 × 147,780.32
  4. Step 4: Simplify right side
    268,629.84x = 54,783,645,007.06
  5. Step 5: Solve for x
    x = 54,783,645,007.06/268,629.84
  6. Step 6: Final answer
    x = 203,937.30

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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.