Home / 242,928.82-335,240.89-135,498.77

Finding the Fourth Proportional to 242,928.82, 335,240.89 and 135,498.77

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Solution

The fourth proportional to 242,928.82, 335,240.89 and 135,498.77 is: 186,987.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,928.82 : 335,240.89 = 135,498.77 : x
  2. Step 2: Convert to fraction form
    242,928.82/335,240.89 = 135,498.77/x
  3. Step 3: Cross multiply
    242,928.82x = 335,240.89 × 135,498.77
  4. Step 4: Simplify right side
    242,928.82x = 45,424,728,248.71
  5. Step 5: Solve for x
    x = 45,424,728,248.71/242,928.82
  6. Step 6: Final answer
    x = 186,987.81

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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.