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Finding the Fourth Proportional to 242,266.58, 334,324.50 and 134,836.64

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Solution

The fourth proportional to 242,266.58, 334,324.50 and 134,836.64 is: 186,072.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,266.58 : 334,324.50 = 134,836.64 : x
  2. Step 2: Convert to fraction form
    242,266.58/334,324.50 = 134,836.64/x
  3. Step 3: Cross multiply
    242,266.58x = 334,324.50 × 134,836.64
  4. Step 4: Simplify right side
    242,266.58x = 45,079,190,578.06
  5. Step 5: Solve for x
    x = 45,079,190,578.06/242,266.58
  6. Step 6: Final answer
    x = 186,072.68

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1.5x scale

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.