Home / 286,236.12-429,385.32-106,300.44

Finding the Fourth Proportional to 286,236.12, 429,385.32 and 106,300.44

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Solution

The fourth proportional to 286,236.12, 429,385.32 and 106,300.44 is: 159,462.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,236.12 : 429,385.32 = 106,300.44 : x
  2. Step 2: Convert to fraction form
    286,236.12/429,385.32 = 106,300.44/x
  3. Step 3: Cross multiply
    286,236.12x = 429,385.32 × 106,300.44
  4. Step 4: Simplify right side
    286,236.12x = 45,643,848,445.54
  5. Step 5: Solve for x
    x = 45,643,848,445.54/286,236.12
  6. Step 6: Final answer
    x = 159,462.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.