Home / 320,522.04-480,519.54-187,072.92

Finding the Fourth Proportional to 320,522.04, 480,519.54 and 187,072.92

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Solution

The fourth proportional to 320,522.04, 480,519.54 and 187,072.92 is: 280,455.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,522.04 : 480,519.54 = 187,072.92 : x
  2. Step 2: Convert to fraction form
    320,522.04/480,519.54 = 187,072.92/x
  3. Step 3: Cross multiply
    320,522.04x = 480,519.54 × 187,072.92
  4. Step 4: Simplify right side
    320,522.04x = 89,892,193,464.86
  5. Step 5: Solve for x
    x = 89,892,193,464.86/320,522.04
  6. Step 6: Final answer
    x = 280,455.58

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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.