Home / 268,356.11-370,323.61-153,630.95

Finding the Fourth Proportional to 268,356.11, 370,323.61 and 153,630.95

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Solution

The fourth proportional to 268,356.11, 370,323.61 and 153,630.95 is: 212,006.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,356.11 : 370,323.61 = 153,630.95 : x
  2. Step 2: Convert to fraction form
    268,356.11/370,323.61 = 153,630.95/x
  3. Step 3: Cross multiply
    268,356.11x = 370,323.61 × 153,630.95
  4. Step 4: Simplify right side
    268,356.11x = 56,893,169,116.68
  5. Step 5: Solve for x
    x = 56,893,169,116.68/268,356.11
  6. Step 6: Final answer
    x = 212,006.23

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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.