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Finding the Fourth Proportional to 375,095.77, 517,599.36 and 222,106.51

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Solution

The fourth proportional to 375,095.77, 517,599.36 and 222,106.51 is: 306,487.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,095.77 : 517,599.36 = 222,106.51 : x
  2. Step 2: Convert to fraction form
    375,095.77/517,599.36 = 222,106.51/x
  3. Step 3: Cross multiply
    375,095.77x = 517,599.36 × 222,106.51
  4. Step 4: Simplify right side
    375,095.77x = 114,962,187,427.83
  5. Step 5: Solve for x
    x = 114,962,187,427.83/375,095.77
  6. Step 6: Final answer
    x = 306,487.56

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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.