Home / 219,669.76-329,440.05-93,309.00

Finding the Fourth Proportional to 219,669.76, 329,440.05 and 93,309.00

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Solution

The fourth proportional to 219,669.76, 329,440.05 and 93,309.00 is: 139,936.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,669.76 : 329,440.05 = 93,309.00 : x
  2. Step 2: Convert to fraction form
    219,669.76/329,440.05 = 93,309.00/x
  3. Step 3: Cross multiply
    219,669.76x = 329,440.05 × 93,309.00
  4. Step 4: Simplify right side
    219,669.76x = 30,739,721,648.66
  5. Step 5: Solve for x
    x = 30,739,721,648.66/219,669.76
  6. Step 6: Final answer
    x = 139,936.06

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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.