Home / 242,740.37-334,974.69-135,308.09

Finding the Fourth Proportional to 242,740.37, 334,974.69 and 135,308.09

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Solution

The fourth proportional to 242,740.37, 334,974.69 and 135,308.09 is: 186,721.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,740.37 : 334,974.69 = 135,308.09 : x
  2. Step 2: Convert to fraction form
    242,740.37/334,974.69 = 135,308.09/x
  3. Step 3: Cross multiply
    242,740.37x = 334,974.69 × 135,308.09
  4. Step 4: Simplify right side
    242,740.37x = 45,324,783,827.37
  5. Step 5: Solve for x
    x = 45,324,783,827.37/242,740.37
  6. Step 6: Final answer
    x = 186,721.25

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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.