Home / 286,631.50-395,548.60-159,304.36

Finding the Fourth Proportional to 286,631.50, 395,548.60 and 159,304.36

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Solution

The fourth proportional to 286,631.50, 395,548.60 and 159,304.36 is: 219,838.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,631.50 : 395,548.60 = 159,304.36 : x
  2. Step 2: Convert to fraction form
    286,631.50/395,548.60 = 159,304.36/x
  3. Step 3: Cross multiply
    286,631.50x = 395,548.60 × 159,304.36
  4. Step 4: Simplify right side
    286,631.50x = 63,012,616,571.90
  5. Step 5: Solve for x
    x = 63,012,616,571.90/286,631.50
  6. Step 6: Final answer
    x = 219,838.42

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1.5x scale

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.