Home / 305,317.44-421,496.32-237,181.76

Finding the Fourth Proportional to 305,317.44, 421,496.32 and 237,181.76

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Solution

The fourth proportional to 305,317.44, 421,496.32 and 237,181.76 is: 327,433.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,317.44 : 421,496.32 = 237,181.76 : x
  2. Step 2: Convert to fraction form
    305,317.44/421,496.32 = 237,181.76/x
  3. Step 3: Cross multiply
    305,317.44x = 421,496.32 × 237,181.76
  4. Step 4: Simplify right side
    305,317.44x = 99,971,239,011.12
  5. Step 5: Solve for x
    x = 99,971,239,011.12/305,317.44
  6. Step 6: Final answer
    x = 327,433.77

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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.