Home / 286,417.92-395,232-159,091.20

Finding the Fourth Proportional to 286,417.92, 395,232 and 159,091.20

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Solution

The fourth proportional to 286,417.92, 395,232 and 159,091.20 is: 219,532.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,417.92 : 395,232 = 159,091.20 : x
  2. Step 2: Convert to fraction form
    286,417.92/395,232 = 159,091.20/x
  3. Step 3: Cross multiply
    286,417.92x = 395,232 × 159,091.20
  4. Step 4: Simplify right side
    286,417.92x = 62,877,933,158.40
  5. Step 5: Solve for x
    x = 62,877,933,158.40/286,417.92
  6. Step 6: Final answer
    x = 219,532.12

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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.