Home / 281,916.32-422,045.04-188,189.60

Finding the Fourth Proportional to 281,916.32, 422,045.04 and 188,189.60

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Solution

The fourth proportional to 281,916.32, 422,045.04 and 188,189.60 is: 281,730.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,916.32 : 422,045.04 = 188,189.60 : x
  2. Step 2: Convert to fraction form
    281,916.32/422,045.04 = 188,189.60/x
  3. Step 3: Cross multiply
    281,916.32x = 422,045.04 × 188,189.60
  4. Step 4: Simplify right side
    281,916.32x = 79,424,487,259.58
  5. Step 5: Solve for x
    x = 79,424,487,259.58/281,916.32
  6. Step 6: Final answer
    x = 281,730.72

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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.