Home / 317,771.10-478,388.03-274,381.02

Finding the Fourth Proportional to 317,771.10, 478,388.03 and 274,381.02

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Solution

The fourth proportional to 317,771.10, 478,388.03 and 274,381.02 is: 413,066.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,771.10 : 478,388.03 = 274,381.02 : x
  2. Step 2: Convert to fraction form
    317,771.10/478,388.03 = 274,381.02/x
  3. Step 3: Cross multiply
    317,771.10x = 478,388.03 × 274,381.02
  4. Step 4: Simplify right side
    317,771.10x = 131,260,594,255.29
  5. Step 5: Solve for x
    x = 131,260,594,255.29/317,771.10
  6. Step 6: Final answer
    x = 413,066.49

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.