Home / 351,484.55-527,226.83-257,481.35

Finding the Fourth Proportional to 351,484.55, 527,226.83 and 257,481.35

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Solution

The fourth proportional to 351,484.55, 527,226.83 and 257,481.35 is: 386,222.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,484.55 : 527,226.83 = 257,481.35 : x
  2. Step 2: Convert to fraction form
    351,484.55/527,226.83 = 257,481.35/x
  3. Step 3: Cross multiply
    351,484.55x = 527,226.83 × 257,481.35
  4. Step 4: Simplify right side
    351,484.55x = 135,751,074,657.21
  5. Step 5: Solve for x
    x = 135,751,074,657.21/351,484.55
  6. Step 6: Final answer
    x = 386,222.03

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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.