Home / 245,708.02-339,205.08-165,556.90

Finding the Fourth Proportional to 245,708.02, 339,205.08 and 165,556.90

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Solution

The fourth proportional to 245,708.02, 339,205.08 and 165,556.90 is: 228,554.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,708.02 : 339,205.08 = 165,556.90 : x
  2. Step 2: Convert to fraction form
    245,708.02/339,205.08 = 165,556.90/x
  3. Step 3: Cross multiply
    245,708.02x = 339,205.08 × 165,556.90
  4. Step 4: Simplify right side
    245,708.02x = 56,157,741,509.05
  5. Step 5: Solve for x
    x = 56,157,741,509.05/245,708.02
  6. Step 6: Final answer
    x = 228,554.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.