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Finding the Fourth Proportional to 236,773.81, 326,742.51 and 129,344.32

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Solution

The fourth proportional to 236,773.81, 326,742.51 and 129,344.32 is: 178,492.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,773.81 : 326,742.51 = 129,344.32 : x
  2. Step 2: Convert to fraction form
    236,773.81/326,742.51 = 129,344.32/x
  3. Step 3: Cross multiply
    236,773.81x = 326,742.51 × 129,344.32
  4. Step 4: Simplify right side
    236,773.81x = 42,262,287,771.04
  5. Step 5: Solve for x
    x = 42,262,287,771.04/236,773.81
  6. Step 6: Final answer
    x = 178,492.24

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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.