Home / 309,082.56-426,544.44-173,122.32

Finding the Fourth Proportional to 309,082.56, 426,544.44 and 173,122.32

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Solution

The fourth proportional to 309,082.56, 426,544.44 and 173,122.32 is: 238,914.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,082.56 : 426,544.44 = 173,122.32 : x
  2. Step 2: Convert to fraction form
    309,082.56/426,544.44 = 173,122.32/x
  3. Step 3: Cross multiply
    309,082.56x = 426,544.44 × 173,122.32
  4. Step 4: Simplify right side
    309,082.56x = 73,844,363,035.90
  5. Step 5: Solve for x
    x = 73,844,363,035.90/309,082.56
  6. Step 6: Final answer
    x = 238,914.69

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1.5x scale

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.