Home / 286,532.28-395,427.96-159,210

Finding the Fourth Proportional to 286,532.28, 395,427.96 and 159,210

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Solution

The fourth proportional to 286,532.28, 395,427.96 and 159,210 is: 219,717.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,532.28 : 395,427.96 = 159,210 : x
  2. Step 2: Convert to fraction form
    286,532.28/395,427.96 = 159,210/x
  3. Step 3: Cross multiply
    286,532.28x = 395,427.96 × 159,210
  4. Step 4: Simplify right side
    286,532.28x = 62,956,085,511.60
  5. Step 5: Solve for x
    x = 62,956,085,511.60/286,532.28
  6. Step 6: Final answer
    x = 219,717.25

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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.