Home / 242,928.57-335,240.55-135,498.52

Finding the Fourth Proportional to 242,928.57, 335,240.55 and 135,498.52

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Solution

The fourth proportional to 242,928.57, 335,240.55 and 135,498.52 is: 186,987.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,928.57 : 335,240.55 = 135,498.52 : x
  2. Step 2: Convert to fraction form
    242,928.57/335,240.55 = 135,498.52/x
  3. Step 3: Cross multiply
    242,928.57x = 335,240.55 × 135,498.52
  4. Step 4: Simplify right side
    242,928.57x = 45,424,596,692.78
  5. Step 5: Solve for x
    x = 45,424,596,692.78/242,928.57
  6. Step 6: Final answer
    x = 186,987.47

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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.