Home / 217,442.63-326,085.79-75,249.30

Finding the Fourth Proportional to 217,442.63, 326,085.79 and 75,249.30

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Solution

The fourth proportional to 217,442.63, 326,085.79 and 75,249.30 is: 112,846.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,442.63 : 326,085.79 = 75,249.30 : x
  2. Step 2: Convert to fraction form
    217,442.63/326,085.79 = 75,249.30/x
  3. Step 3: Cross multiply
    217,442.63x = 326,085.79 × 75,249.30
  4. Step 4: Simplify right side
    217,442.63x = 24,537,727,437.45
  5. Step 5: Solve for x
    x = 24,537,727,437.45/217,442.63
  6. Step 6: Final answer
    x = 112,846.90

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1.5x scale

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.