Home / 286,631.49-395,548.60-159,304.35

Finding the Fourth Proportional to 286,631.49, 395,548.60 and 159,304.35

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Solution

The fourth proportional to 286,631.49, 395,548.60 and 159,304.35 is: 219,838.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,631.49 : 395,548.60 = 159,304.35 : x
  2. Step 2: Convert to fraction form
    286,631.49/395,548.60 = 159,304.35/x
  3. Step 3: Cross multiply
    286,631.49x = 395,548.60 × 159,304.35
  4. Step 4: Simplify right side
    286,631.49x = 63,012,612,616.41
  5. Step 5: Solve for x
    x = 63,012,612,616.41/286,631.49
  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.