Home / 217,038.48-325,918.97-146,415.66

Finding the Fourth Proportional to 217,038.48, 325,918.97 and 146,415.66

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Solution

The fourth proportional to 217,038.48, 325,918.97 and 146,415.66 is: 219,867.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,038.48 : 325,918.97 = 146,415.66 : x
  2. Step 2: Convert to fraction form
    217,038.48/325,918.97 = 146,415.66/x
  3. Step 3: Cross multiply
    217,038.48x = 325,918.97 × 146,415.66
  4. Step 4: Simplify right side
    217,038.48x = 47,719,641,099.07
  5. Step 5: Solve for x
    x = 47,719,641,099.07/217,038.48
  6. Step 6: Final answer
    x = 219,867.19

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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.