Home / 286,631.74-395,548.95-159,304.60

Finding the Fourth Proportional to 286,631.74, 395,548.95 and 159,304.60

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Solution

The fourth proportional to 286,631.74, 395,548.95 and 159,304.60 is: 219,838.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,631.74 : 395,548.95 = 159,304.60 : x
  2. Step 2: Convert to fraction form
    286,631.74/395,548.95 = 159,304.60/x
  3. Step 3: Cross multiply
    286,631.74x = 395,548.95 × 159,304.60
  4. Step 4: Simplify right side
    286,631.74x = 63,012,767,260.17
  5. Step 5: Solve for x
    x = 63,012,767,260.17/286,631.74
  6. Step 6: Final answer
    x = 219,838.76

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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.