Home / 219,538.78-329,330.07-59,617.31

Finding the Fourth Proportional to 219,538.78, 329,330.07 and 59,617.31

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Solution

The fourth proportional to 219,538.78, 329,330.07 and 59,617.31 is: 89,431.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,538.78 : 329,330.07 = 59,617.31 : x
  2. Step 2: Convert to fraction form
    219,538.78/329,330.07 = 59,617.31/x
  3. Step 3: Cross multiply
    219,538.78x = 329,330.07 × 59,617.31
  4. Step 4: Simplify right side
    219,538.78x = 19,633,772,875.51
  5. Step 5: Solve for x
    x = 19,633,772,875.51/219,538.78
  6. Step 6: Final answer
    x = 89,431.91

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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.