Home / 287,734.14-397,094.76-166,874.45

Finding the Fourth Proportional to 287,734.14, 397,094.76 and 166,874.45

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Solution

The fourth proportional to 287,734.14, 397,094.76 and 166,874.45 is: 230,299.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,734.14 : 397,094.76 = 166,874.45 : x
  2. Step 2: Convert to fraction form
    287,734.14/397,094.76 = 166,874.45/x
  3. Step 3: Cross multiply
    287,734.14x = 397,094.76 × 166,874.45
  4. Step 4: Simplify right side
    287,734.14x = 66,264,967,687.41
  5. Step 5: Solve for x
    x = 66,264,967,687.41/287,734.14
  6. Step 6: Final answer
    x = 230,299.29

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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.