Home / 571,003.11-856,505.29-171,643.85

Finding the Fourth Proportional to 571,003.11, 856,505.29 and 171,643.85

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Solution

The fourth proportional to 571,003.11, 856,505.29 and 171,643.85 is: 257,465.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,003.11 : 856,505.29 = 171,643.85 : x
  2. Step 2: Convert to fraction form
    571,003.11/856,505.29 = 171,643.85/x
  3. Step 3: Cross multiply
    571,003.11x = 856,505.29 × 171,643.85
  4. Step 4: Simplify right side
    571,003.11x = 147,013,863,138.60
  5. Step 5: Solve for x
    x = 147,013,863,138.60/571,003.11
  6. Step 6: Final answer
    x = 257,465.96

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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.