Home / 242,919.53-335,229.40-135,496.52

Finding the Fourth Proportional to 242,919.53, 335,229.40 and 135,496.52

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Solution

The fourth proportional to 242,919.53, 335,229.40 and 135,496.52 is: 186,985.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,919.53 : 335,229.40 = 135,496.52 : x
  2. Step 2: Convert to fraction form
    242,919.53/335,229.40 = 135,496.52/x
  3. Step 3: Cross multiply
    242,919.53x = 335,229.40 × 135,496.52
  4. Step 4: Simplify right side
    242,919.53x = 45,422,416,852.02
  5. Step 5: Solve for x
    x = 45,422,416,852.02/242,919.53
  6. Step 6: Final answer
    x = 186,985.45

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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.