Home / 286,564.37-429,902.03-109,057.73

Finding the Fourth Proportional to 286,564.37, 429,902.03 and 109,057.73

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Solution

The fourth proportional to 286,564.37, 429,902.03 and 109,057.73 is: 163,607.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,564.37 : 429,902.03 = 109,057.73 : x
  2. Step 2: Convert to fraction form
    286,564.37/429,902.03 = 109,057.73/x
  3. Step 3: Cross multiply
    286,564.37x = 429,902.03 × 109,057.73
  4. Step 4: Simplify right side
    286,564.37x = 46,884,137,637.33
  5. Step 5: Solve for x
    x = 46,884,137,637.33/286,564.37
  6. Step 6: Final answer
    x = 163,607.70

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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.