Home / 268,518.12-370,564.52-147,668.61

Finding the Fourth Proportional to 268,518.12, 370,564.52 and 147,668.61

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Solution

The fourth proportional to 268,518.12, 370,564.52 and 147,668.61 is: 203,787.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,518.12 : 370,564.52 = 147,668.61 : x
  2. Step 2: Convert to fraction form
    268,518.12/370,564.52 = 147,668.61/x
  3. Step 3: Cross multiply
    268,518.12x = 370,564.52 × 147,668.61
  4. Step 4: Simplify right side
    268,518.12x = 54,720,746,100.07
  5. Step 5: Solve for x
    x = 54,720,746,100.07/268,518.12
  6. Step 6: Final answer
    x = 203,787.91

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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.