Home / 382,309.89-527,621.24-210,258.15

Finding the Fourth Proportional to 382,309.89, 527,621.24 and 210,258.15

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Solution

The fourth proportional to 382,309.89, 527,621.24 and 210,258.15 is: 290,174.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,309.89 : 527,621.24 = 210,258.15 : x
  2. Step 2: Convert to fraction form
    382,309.89/527,621.24 = 210,258.15/x
  3. Step 3: Cross multiply
    382,309.89x = 527,621.24 × 210,258.15
  4. Step 4: Simplify right side
    382,309.89x = 110,936,666,348.75
  5. Step 5: Solve for x
    x = 110,936,666,348.75/382,309.89
  6. Step 6: Final answer
    x = 290,174.72

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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.