Home / 320,256.82-479,996.76-235,228.54

Finding the Fourth Proportional to 320,256.82, 479,996.76 and 235,228.54

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Solution

The fourth proportional to 320,256.82, 479,996.76 and 235,228.54 is: 352,557.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,256.82 : 479,996.76 = 235,228.54 : x
  2. Step 2: Convert to fraction form
    320,256.82/479,996.76 = 235,228.54/x
  3. Step 3: Cross multiply
    320,256.82x = 479,996.76 × 235,228.54
  4. Step 4: Simplify right side
    320,256.82x = 112,908,937,059.53
  5. Step 5: Solve for x
    x = 112,908,937,059.53/320,256.82
  6. Step 6: Final answer
    x = 352,557.48

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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.