Home / 486,610.04-729,953.40-171,137.72

Finding the Fourth Proportional to 486,610.04, 729,953.40 and 171,137.72

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Solution

The fourth proportional to 486,610.04, 729,953.40 and 171,137.72 is: 256,720.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,610.04 : 729,953.40 = 171,137.72 : x
  2. Step 2: Convert to fraction form
    486,610.04/729,953.40 = 171,137.72/x
  3. Step 3: Cross multiply
    486,610.04x = 729,953.40 × 171,137.72
  4. Step 4: Simplify right side
    486,610.04x = 124,922,560,582.25
  5. Step 5: Solve for x
    x = 124,922,560,582.25/486,610.04
  6. Step 6: Final answer
    x = 256,720.06

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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.