Home / 268,040.12-401,932.78-155,752.72

Finding the Fourth Proportional to 268,040.12, 401,932.78 and 155,752.72

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Solution

The fourth proportional to 268,040.12, 401,932.78 and 155,752.72 is: 233,555.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,040.12 : 401,932.78 = 155,752.72 : x
  2. Step 2: Convert to fraction form
    268,040.12/401,932.78 = 155,752.72/x
  3. Step 3: Cross multiply
    268,040.12x = 401,932.78 × 155,752.72
  4. Step 4: Simplify right side
    268,040.12x = 62,602,122,347.95
  5. Step 5: Solve for x
    x = 62,602,122,347.95/268,040.12
  6. Step 6: Final answer
    x = 233,555.05

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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.