Home / 286,838.30-395,798.46-159,489.38

Finding the Fourth Proportional to 286,838.30, 395,798.46 and 159,489.38

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Solution

The fourth proportional to 286,838.30, 395,798.46 and 159,489.38 is: 220,074.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,838.30 : 395,798.46 = 159,489.38 : x
  2. Step 2: Convert to fraction form
    286,838.30/395,798.46 = 159,489.38/x
  3. Step 3: Cross multiply
    286,838.30x = 395,798.46 × 159,489.38
  4. Step 4: Simplify right side
    286,838.30x = 63,125,650,990.35
  5. Step 5: Solve for x
    x = 63,125,650,990.35/286,838.30
  6. Step 6: Final answer
    x = 220,074.00

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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.