Home / 274,283.32-378,545.94-153,431.32

Finding the Fourth Proportional to 274,283.32, 378,545.94 and 153,431.32

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Solution

The fourth proportional to 274,283.32, 378,545.94 and 153,431.32 is: 211,754.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,283.32 : 378,545.94 = 153,431.32 : x
  2. Step 2: Convert to fraction form
    274,283.32/378,545.94 = 153,431.32/x
  3. Step 3: Cross multiply
    274,283.32x = 378,545.94 × 153,431.32
  4. Step 4: Simplify right side
    274,283.32x = 58,080,803,254.84
  5. Step 5: Solve for x
    x = 58,080,803,254.84/274,283.32
  6. Step 6: Final answer
    x = 211,754.78

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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.