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Finding the Fourth Proportional to 286,777.16, 395,744.34 and 159,450.44

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Solution

The fourth proportional to 286,777.16, 395,744.34 and 159,450.44 is: 220,037.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,777.16 : 395,744.34 = 159,450.44 : x
  2. Step 2: Convert to fraction form
    286,777.16/395,744.34 = 159,450.44/x
  3. Step 3: Cross multiply
    286,777.16x = 395,744.34 × 159,450.44
  4. Step 4: Simplify right side
    286,777.16x = 63,101,609,140.51
  5. Step 5: Solve for x
    x = 63,101,609,140.51/286,777.16
  6. Step 6: Final answer
    x = 220,037.08

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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.