Home / 282,036.60-422,918.78-163,737.72

Finding the Fourth Proportional to 282,036.60, 422,918.78 and 163,737.72

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Solution

The fourth proportional to 282,036.60, 422,918.78 and 163,737.72 is: 245,527.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,036.60 : 422,918.78 = 163,737.72 : x
  2. Step 2: Convert to fraction form
    282,036.60/422,918.78 = 163,737.72/x
  3. Step 3: Cross multiply
    282,036.60x = 422,918.78 × 163,737.72
  4. Step 4: Simplify right side
    282,036.60x = 69,247,756,782.38
  5. Step 5: Solve for x
    x = 69,247,756,782.38/282,036.60
  6. Step 6: Final answer
    x = 245,527.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.