Home / 369,621.42-510,076.83-208,475.97

Finding the Fourth Proportional to 369,621.42, 510,076.83 and 208,475.97

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Solution

The fourth proportional to 369,621.42, 510,076.83 and 208,475.97 is: 287,696.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,621.42 : 510,076.83 = 208,475.97 : x
  2. Step 2: Convert to fraction form
    369,621.42/510,076.83 = 208,475.97/x
  3. Step 3: Cross multiply
    369,621.42x = 510,076.83 × 208,475.97
  4. Step 4: Simplify right side
    369,621.42x = 106,338,761,908.78
  5. Step 5: Solve for x
    x = 106,338,761,908.78/369,621.42
  6. Step 6: Final answer
    x = 287,696.43

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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.