Home / 175,514.40-263,271.60-172,015.20

Finding the Fourth Proportional to 175,514.40, 263,271.60 and 172,015.20

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Solution

The fourth proportional to 175,514.40, 263,271.60 and 172,015.20 is: 258,022.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,514.40 : 263,271.60 = 172,015.20 : x
  2. Step 2: Convert to fraction form
    175,514.40/263,271.60 = 172,015.20/x
  3. Step 3: Cross multiply
    175,514.40x = 263,271.60 × 172,015.20
  4. Step 4: Simplify right side
    175,514.40x = 45,286,716,928.32
  5. Step 5: Solve for x
    x = 45,286,716,928.32/175,514.40
  6. Step 6: Final answer
    x = 258,022.80

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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.