Home / 386,073.03-578,912.07-161,372.16

Finding the Fourth Proportional to 386,073.03, 578,912.07 and 161,372.16

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Solution

The fourth proportional to 386,073.03, 578,912.07 and 161,372.16 is: 241,975.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,073.03 : 578,912.07 = 161,372.16 : x
  2. Step 2: Convert to fraction form
    386,073.03/578,912.07 = 161,372.16/x
  3. Step 3: Cross multiply
    386,073.03x = 578,912.07 × 161,372.16
  4. Step 4: Simplify right side
    386,073.03x = 93,420,291,185.97
  5. Step 5: Solve for x
    x = 93,420,291,185.97/386,073.03
  6. Step 6: Final answer
    x = 241,975.70

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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.