Home / 223,078.19-333,911.36-143,009.15

Finding the Fourth Proportional to 223,078.19, 333,911.36 and 143,009.15

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Solution

The fourth proportional to 223,078.19, 333,911.36 and 143,009.15 is: 214,061.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,078.19 : 333,911.36 = 143,009.15 : x
  2. Step 2: Convert to fraction form
    223,078.19/333,911.36 = 143,009.15/x
  3. Step 3: Cross multiply
    223,078.19x = 333,911.36 × 143,009.15
  4. Step 4: Simplify right side
    223,078.19x = 47,752,378,456.91
  5. Step 5: Solve for x
    x = 47,752,378,456.91/223,078.19
  6. Step 6: Final answer
    x = 214,061.18

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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.