Home / 242,768.32-335,044.80-135,355.84

Finding the Fourth Proportional to 242,768.32, 335,044.80 and 135,355.84

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Solution

The fourth proportional to 242,768.32, 335,044.80 and 135,355.84 is: 186,804.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,768.32 : 335,044.80 = 135,355.84 : x
  2. Step 2: Convert to fraction form
    242,768.32/335,044.80 = 135,355.84/x
  3. Step 3: Cross multiply
    242,768.32x = 335,044.80 × 135,355.84
  4. Step 4: Simplify right side
    242,768.32x = 45,350,270,341.63
  5. Step 5: Solve for x
    x = 45,350,270,341.63/242,768.32
  6. Step 6: Final answer
    x = 186,804.73

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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.