Home / 228,288.60-315,111.42-160,322.04

Finding the Fourth Proportional to 228,288.60, 315,111.42 and 160,322.04

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Solution

The fourth proportional to 228,288.60, 315,111.42 and 160,322.04 is: 221,295.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,288.60 : 315,111.42 = 160,322.04 : x
  2. Step 2: Convert to fraction form
    228,288.60/315,111.42 = 160,322.04/x
  3. Step 3: Cross multiply
    228,288.60x = 315,111.42 × 160,322.04
  4. Step 4: Simplify right side
    228,288.60x = 50,519,305,681.70
  5. Step 5: Solve for x
    x = 50,519,305,681.70/228,288.60
  6. Step 6: Final answer
    x = 221,295.79

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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.