Home / 286,419.37-429,573.69-272,194.33

Finding the Fourth Proportional to 286,419.37, 429,573.69 and 272,194.33

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Solution

The fourth proportional to 286,419.37, 429,573.69 and 272,194.33 is: 408,238.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,419.37 : 429,573.69 = 272,194.33 : x
  2. Step 2: Convert to fraction form
    286,419.37/429,573.69 = 272,194.33/x
  3. Step 3: Cross multiply
    286,419.37x = 429,573.69 × 272,194.33
  4. Step 4: Simplify right side
    286,419.37x = 116,927,522,735.18
  5. Step 5: Solve for x
    x = 116,927,522,735.18/286,419.37
  6. Step 6: Final answer
    x = 408,238.88

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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.