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Finding the Fourth Proportional to 242,535.51, 334,709.09 and 135,105.51

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Solution

The fourth proportional to 242,535.51, 334,709.09 and 135,105.51 is: 186,451.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,535.51 : 334,709.09 = 135,105.51 : x
  2. Step 2: Convert to fraction form
    242,535.51/334,709.09 = 135,105.51/x
  3. Step 3: Cross multiply
    242,535.51x = 334,709.09 × 135,105.51
  4. Step 4: Simplify right side
    242,535.51x = 45,221,041,630.56
  5. Step 5: Solve for x
    x = 45,221,041,630.56/242,535.51
  6. Step 6: Final answer
    x = 186,451.22

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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.