Home / 715,108.50-1,072,434.96-235,226.52

Finding the Fourth Proportional to 715,108.50, 1,072,434.96 and 235,226.52

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Solution

The fourth proportional to 715,108.50, 1,072,434.96 and 235,226.52 is: 352,764.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,108.50 : 1,072,434.96 = 235,226.52 : x
  2. Step 2: Convert to fraction form
    715,108.50/1,072,434.96 = 235,226.52/x
  3. Step 3: Cross multiply
    715,108.50x = 1,072,434.96 × 235,226.52
  4. Step 4: Simplify right side
    715,108.50x = 252,265,143,567.14
  5. Step 5: Solve for x
    x = 252,265,143,567.14/715,108.50
  6. Step 6: Final answer
    x = 352,764.85

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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.