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Finding the Fourth Proportional to 320,124.82, 480,239.34 and 149,517.14

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Solution

The fourth proportional to 320,124.82, 480,239.34 and 149,517.14 is: 224,300.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,124.82 : 480,239.34 = 149,517.14 : x
  2. Step 2: Convert to fraction form
    320,124.82/480,239.34 = 149,517.14/x
  3. Step 3: Cross multiply
    320,124.82x = 480,239.34 × 149,517.14
  4. Step 4: Simplify right side
    320,124.82x = 71,804,012,792.26
  5. Step 5: Solve for x
    x = 71,804,012,792.26/320,124.82
  6. Step 6: Final answer
    x = 224,300.05

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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.