Home / 268,309.62-370,223.73-155,110.50

Finding the Fourth Proportional to 268,309.62, 370,223.73 and 155,110.50

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Solution

The fourth proportional to 268,309.62, 370,223.73 and 155,110.50 is: 214,027.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,309.62 : 370,223.73 = 155,110.50 : x
  2. Step 2: Convert to fraction form
    268,309.62/370,223.73 = 155,110.50/x
  3. Step 3: Cross multiply
    268,309.62x = 370,223.73 × 155,110.50
  4. Step 4: Simplify right side
    268,309.62x = 57,425,587,872.17
  5. Step 5: Solve for x
    x = 57,425,587,872.17/268,309.62
  6. Step 6: Final answer
    x = 214,027.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.