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Finding the Fourth Proportional to 340,144.79, 469,242.75 and 219,324.88

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Solution

The fourth proportional to 340,144.79, 469,242.75 and 219,324.88 is: 302,567.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,144.79 : 469,242.75 = 219,324.88 : x
  2. Step 2: Convert to fraction form
    340,144.79/469,242.75 = 219,324.88/x
  3. Step 3: Cross multiply
    340,144.79x = 469,242.75 × 219,324.88
  4. Step 4: Simplify right side
    340,144.79x = 102,916,611,243.64
  5. Step 5: Solve for x
    x = 102,916,611,243.64/340,144.79
  6. Step 6: Final answer
    x = 302,567.07

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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.