Home / 380,932.47-571,139.91-228,786.93

Finding the Fourth Proportional to 380,932.47, 571,139.91 and 228,786.93

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Solution

The fourth proportional to 380,932.47, 571,139.91 and 228,786.93 is: 343,024.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,932.47 : 571,139.91 = 228,786.93 : x
  2. Step 2: Convert to fraction form
    380,932.47/571,139.91 = 228,786.93/x
  3. Step 3: Cross multiply
    380,932.47x = 571,139.91 × 228,786.93
  4. Step 4: Simplify right side
    380,932.47x = 130,669,346,609.38
  5. Step 5: Solve for x
    x = 130,669,346,609.38/380,932.47
  6. Step 6: Final answer
    x = 343,024.96

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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.