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Finding the Fourth Proportional to 259,192.54, 387,910.95 and 159,415.93

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Solution

The fourth proportional to 259,192.54, 387,910.95 and 159,415.93 is: 238,583.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,192.54 : 387,910.95 = 159,415.93 : x
  2. Step 2: Convert to fraction form
    259,192.54/387,910.95 = 159,415.93/x
  3. Step 3: Cross multiply
    259,192.54x = 387,910.95 × 159,415.93
  4. Step 4: Simplify right side
    259,192.54x = 61,839,184,851.43
  5. Step 5: Solve for x
    x = 61,839,184,851.43/259,192.54
  6. Step 6: Final answer
    x = 238,583.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.