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Finding the Fourth Proportional to 242,436.63, 334,236.48 and 169,741.77

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Solution

The fourth proportional to 242,436.63, 334,236.48 and 169,741.77 is: 234,015.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,436.63 : 334,236.48 = 169,741.77 : x
  2. Step 2: Convert to fraction form
    242,436.63/334,236.48 = 169,741.77/x
  3. Step 3: Cross multiply
    242,436.63x = 334,236.48 × 169,741.77
  4. Step 4: Simplify right side
    242,436.63x = 56,733,891,713.77
  5. Step 5: Solve for x
    x = 56,733,891,713.77/242,436.63
  6. Step 6: Final answer
    x = 234,015.35

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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.