Home / 268,780.24-370,762.45-168,003.28

Finding the Fourth Proportional to 268,780.24, 370,762.45 and 168,003.28

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Solution

The fourth proportional to 268,780.24, 370,762.45 and 168,003.28 is: 231,748.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,780.24 : 370,762.45 = 168,003.28 : x
  2. Step 2: Convert to fraction form
    268,780.24/370,762.45 = 168,003.28/x
  3. Step 3: Cross multiply
    268,780.24x = 370,762.45 × 168,003.28
  4. Step 4: Simplify right side
    268,780.24x = 62,289,307,744.28
  5. Step 5: Solve for x
    x = 62,289,307,744.28/268,780.24
  6. Step 6: Final answer
    x = 231,748.09

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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.