Home / 242,928.32-335,240.21-135,498.27

Finding the Fourth Proportional to 242,928.32, 335,240.21 and 135,498.27

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Solution

The fourth proportional to 242,928.32, 335,240.21 and 135,498.27 is: 186,987.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,928.32 : 335,240.21 = 135,498.27 : x
  2. Step 2: Convert to fraction form
    242,928.32/335,240.21 = 135,498.27/x
  3. Step 3: Cross multiply
    242,928.32x = 335,240.21 × 135,498.27
  4. Step 4: Simplify right side
    242,928.32x = 45,424,467,811.95
  5. Step 5: Solve for x
    x = 45,424,467,811.95/242,928.32
  6. Step 6: Final answer
    x = 186,987.12

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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.