Home / 348,150.72-480,449.21-219,174.53

Finding the Fourth Proportional to 348,150.72, 480,449.21 and 219,174.53

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Solution

The fourth proportional to 348,150.72, 480,449.21 and 219,174.53 is: 302,461.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,150.72 : 480,449.21 = 219,174.53 : x
  2. Step 2: Convert to fraction form
    348,150.72/480,449.21 = 219,174.53/x
  3. Step 3: Cross multiply
    348,150.72x = 480,449.21 × 219,174.53
  4. Step 4: Simplify right side
    348,150.72x = 105,302,227,388.38
  5. Step 5: Solve for x
    x = 105,302,227,388.38/348,150.72
  6. Step 6: Final answer
    x = 302,461.61

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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.