Home / 286,912.90-395,937.93-159,588.10

Finding the Fourth Proportional to 286,912.90, 395,937.93 and 159,588.10

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Solution

The fourth proportional to 286,912.90, 395,937.93 and 159,588.10 is: 220,230.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,912.90 : 395,937.93 = 159,588.10 : x
  2. Step 2: Convert to fraction form
    286,912.90/395,937.93 = 159,588.10/x
  3. Step 3: Cross multiply
    286,912.90x = 395,937.93 × 159,588.10
  4. Step 4: Simplify right side
    286,912.90x = 63,186,981,966.63
  5. Step 5: Solve for x
    x = 63,186,981,966.63/286,912.90
  6. Step 6: Final answer
    x = 220,230.54

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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.