Home / 347,971.78-480,178.32-204,704.14

Finding the Fourth Proportional to 347,971.78, 480,178.32 and 204,704.14

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Solution

The fourth proportional to 347,971.78, 480,178.32 and 204,704.14 is: 282,478.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,971.78 : 480,178.32 = 204,704.14 : x
  2. Step 2: Convert to fraction form
    347,971.78/480,178.32 = 204,704.14/x
  3. Step 3: Cross multiply
    347,971.78x = 480,178.32 × 204,704.14
  4. Step 4: Simplify right side
    347,971.78x = 98,294,490,042.24
  5. Step 5: Solve for x
    x = 98,294,490,042.24/347,971.78
  6. Step 6: Final answer
    x = 282,478.34

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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.