Home / 286,400.16-395,235.84-159,087.60

Finding the Fourth Proportional to 286,400.16, 395,235.84 and 159,087.60

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Solution

The fourth proportional to 286,400.16, 395,235.84 and 159,087.60 is: 219,542.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,400.16 : 395,235.84 = 159,087.60 : x
  2. Step 2: Convert to fraction form
    286,400.16/395,235.84 = 159,087.60/x
  3. Step 3: Cross multiply
    286,400.16x = 395,235.84 × 159,087.60
  4. Step 4: Simplify right side
    286,400.16x = 62,877,121,219.58
  5. Step 5: Solve for x
    x = 62,877,121,219.58/286,400.16
  6. Step 6: Final answer
    x = 219,542.90

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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.