Home / 268,339.07-402,581.19-90,846.09

Finding the Fourth Proportional to 268,339.07, 402,581.19 and 90,846.09

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Solution

The fourth proportional to 268,339.07, 402,581.19 and 90,846.09 is: 136,293.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,339.07 : 402,581.19 = 90,846.09 : x
  2. Step 2: Convert to fraction form
    268,339.07/402,581.19 = 90,846.09/x
  3. Step 3: Cross multiply
    268,339.07x = 402,581.19 × 90,846.09
  4. Step 4: Simplify right side
    268,339.07x = 36,572,927,019.05
  5. Step 5: Solve for x
    x = 36,572,927,019.05/268,339.07
  6. Step 6: Final answer
    x = 136,293.71

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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.