Home / 242,734.86-334,969.31-135,298.49

Finding the Fourth Proportional to 242,734.86, 334,969.31 and 135,298.49

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Solution

The fourth proportional to 242,734.86, 334,969.31 and 135,298.49 is: 186,709.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,734.86 : 334,969.31 = 135,298.49 : x
  2. Step 2: Convert to fraction form
    242,734.86/334,969.31 = 135,298.49/x
  3. Step 3: Cross multiply
    242,734.86x = 334,969.31 × 135,298.49
  4. Step 4: Simplify right side
    242,734.86x = 45,320,840,502.74
  5. Step 5: Solve for x
    x = 45,320,840,502.74/242,734.86
  6. Step 6: Final answer
    x = 186,709.24

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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.