Home / 286,743.60-429,524.10-168,055.20

Finding the Fourth Proportional to 286,743.60, 429,524.10 and 168,055.20

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Solution

The fourth proportional to 286,743.60, 429,524.10 and 168,055.20 is: 251,736.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,743.60 : 429,524.10 = 168,055.20 : x
  2. Step 2: Convert to fraction form
    286,743.60/429,524.10 = 168,055.20/x
  3. Step 3: Cross multiply
    286,743.60x = 429,524.10 × 168,055.20
  4. Step 4: Simplify right side
    286,743.60x = 72,183,758,530.32
  5. Step 5: Solve for x
    x = 72,183,758,530.32/286,743.60
  6. Step 6: Final answer
    x = 251,736.25

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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.