Home / 242,811.60-335,039.40-135,358.08

Finding the Fourth Proportional to 242,811.60, 335,039.40 and 135,358.08

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Solution

The fourth proportional to 242,811.60, 335,039.40 and 135,358.08 is: 186,771.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,811.60 : 335,039.40 = 135,358.08 : x
  2. Step 2: Convert to fraction form
    242,811.60/335,039.40 = 135,358.08/x
  3. Step 3: Cross multiply
    242,811.60x = 335,039.40 × 135,358.08
  4. Step 4: Simplify right side
    242,811.60x = 45,350,289,908.35
  5. Step 5: Solve for x
    x = 45,350,289,908.35/242,811.60
  6. Step 6: Final answer
    x = 186,771.51

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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.