Home / 242,928.89-335,240.98-135,498.83

Finding the Fourth Proportional to 242,928.89, 335,240.98 and 135,498.83

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Solution

The fourth proportional to 242,928.89, 335,240.98 and 135,498.83 is: 186,987.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,928.89 : 335,240.98 = 135,498.83 : x
  2. Step 2: Convert to fraction form
    242,928.89/335,240.98 = 135,498.83/x
  3. Step 3: Cross multiply
    242,928.89x = 335,240.98 × 135,498.83
  4. Step 4: Simplify right side
    242,928.89x = 45,424,760,558.05
  5. Step 5: Solve for x
    x = 45,424,760,558.05/242,928.89
  6. Step 6: Final answer
    x = 186,987.89

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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.