Home / 286,353.09-429,496.83-76,007.43

Finding the Fourth Proportional to 286,353.09, 429,496.83 and 76,007.43

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Solution

The fourth proportional to 286,353.09, 429,496.83 and 76,007.43 is: 114,002.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,353.09 : 429,496.83 = 76,007.43 : x
  2. Step 2: Convert to fraction form
    286,353.09/429,496.83 = 76,007.43/x
  3. Step 3: Cross multiply
    286,353.09x = 429,496.83 × 76,007.43
  4. Step 4: Simplify right side
    286,353.09x = 32,644,950,241.45
  5. Step 5: Solve for x
    x = 32,644,950,241.45/286,353.09
  6. Step 6: Final answer
    x = 114,002.44

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1.5x scale

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.