Home / 286,789.76-429,592.80-168,100.64

Finding the Fourth Proportional to 286,789.76, 429,592.80 and 168,100.64

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Solution

The fourth proportional to 286,789.76, 429,592.80 and 168,100.64 is: 251,804.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,789.76 : 429,592.80 = 168,100.64 : x
  2. Step 2: Convert to fraction form
    286,789.76/429,592.80 = 168,100.64/x
  3. Step 3: Cross multiply
    286,789.76x = 429,592.80 × 168,100.64
  4. Step 4: Simplify right side
    286,789.76x = 72,214,824,619.39
  5. Step 5: Solve for x
    x = 72,214,824,619.39/286,789.76
  6. Step 6: Final answer
    x = 251,804.06

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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.