Home / 342,719.88-472,936.32-187,667.16

Finding the Fourth Proportional to 342,719.88, 472,936.32 and 187,667.16

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Solution

The fourth proportional to 342,719.88, 472,936.32 and 187,667.16 is: 258,971.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,719.88 : 472,936.32 = 187,667.16 : x
  2. Step 2: Convert to fraction form
    342,719.88/472,936.32 = 187,667.16/x
  3. Step 3: Cross multiply
    342,719.88x = 472,936.32 × 187,667.16
  4. Step 4: Simplify right side
    342,719.88x = 88,754,616,035.25
  5. Step 5: Solve for x
    x = 88,754,616,035.25/342,719.88
  6. Step 6: Final answer
    x = 258,971.31

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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.