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Finding the Fourth Proportional to 242,925.82, 335,238.14 and 135,493.08

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Solution

The fourth proportional to 242,925.82, 335,238.14 and 135,493.08 is: 186,980.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,925.82 : 335,238.14 = 135,493.08 : x
  2. Step 2: Convert to fraction form
    242,925.82/335,238.14 = 135,493.08/x
  3. Step 3: Cross multiply
    242,925.82x = 335,238.14 × 135,493.08
  4. Step 4: Simplify right side
    242,925.82x = 45,422,448,122.07
  5. Step 5: Solve for x
    x = 45,422,448,122.07/242,925.82
  6. Step 6: Final answer
    x = 186,980.73

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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.