Home / 217,710.09-326,577.29-67,971.06

Finding the Fourth Proportional to 217,710.09, 326,577.29 and 67,971.06

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Solution

The fourth proportional to 217,710.09, 326,577.29 and 67,971.06 is: 101,960.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,710.09 : 326,577.29 = 67,971.06 : x
  2. Step 2: Convert to fraction form
    217,710.09/326,577.29 = 67,971.06/x
  3. Step 3: Cross multiply
    217,710.09x = 326,577.29 × 67,971.06
  4. Step 4: Simplify right side
    217,710.09x = 22,197,804,233.37
  5. Step 5: Solve for x
    x = 22,197,804,233.37/217,710.09
  6. Step 6: Final answer
    x = 101,960.38

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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.