Home / 242,284.13-363,440.78-76,072.13

Finding the Fourth Proportional to 242,284.13, 363,440.78 and 76,072.13

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Solution

The fourth proportional to 242,284.13, 363,440.78 and 76,072.13 is: 114,112.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,284.13 : 363,440.78 = 76,072.13 : x
  2. Step 2: Convert to fraction form
    242,284.13/363,440.78 = 76,072.13/x
  3. Step 3: Cross multiply
    242,284.13x = 363,440.78 × 76,072.13
  4. Step 4: Simplify right side
    242,284.13x = 27,647,714,263.46
  5. Step 5: Solve for x
    x = 27,647,714,263.46/242,284.13
  6. Step 6: Final answer
    x = 114,112.77

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1.5x scale

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.