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Finding the Fourth Proportional to 242,953.86, 335,276.82 and 135,521.13

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Solution

The fourth proportional to 242,953.86, 335,276.82 and 135,521.13 is: 187,019.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,953.86 : 335,276.82 = 135,521.13 : x
  2. Step 2: Convert to fraction form
    242,953.86/335,276.82 = 135,521.13/x
  3. Step 3: Cross multiply
    242,953.86x = 335,276.82 × 135,521.13
  4. Step 4: Simplify right side
    242,953.86x = 45,437,093,509.21
  5. Step 5: Solve for x
    x = 45,437,093,509.21/242,953.86
  6. Step 6: Final answer
    x = 187,019.43

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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.