Home / 242,917.20-335,226.32-135,494.19

Finding the Fourth Proportional to 242,917.20, 335,226.32 and 135,494.19

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Solution

The fourth proportional to 242,917.20, 335,226.32 and 135,494.19 is: 186,982.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,917.20 : 335,226.32 = 135,494.19 : x
  2. Step 2: Convert to fraction form
    242,917.20/335,226.32 = 135,494.19/x
  3. Step 3: Cross multiply
    242,917.20x = 335,226.32 × 135,494.19
  4. Step 4: Simplify right side
    242,917.20x = 45,421,218,017.61
  5. Step 5: Solve for x
    x = 45,421,218,017.61/242,917.20
  6. Step 6: Final answer
    x = 186,982.31

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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.