Home / 259,714.45-389,582.81-101,977.07

Finding the Fourth Proportional to 259,714.45, 389,582.81 and 101,977.07

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Solution

The fourth proportional to 259,714.45, 389,582.81 and 101,977.07 is: 152,969.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,714.45 : 389,582.81 = 101,977.07 : x
  2. Step 2: Convert to fraction form
    259,714.45/389,582.81 = 101,977.07/x
  3. Step 3: Cross multiply
    259,714.45x = 389,582.81 × 101,977.07
  4. Step 4: Simplify right side
    259,714.45x = 39,728,512,976.28
  5. Step 5: Solve for x
    x = 39,728,512,976.28/259,714.45
  6. Step 6: Final answer
    x = 152,969.98

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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.