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Finding the Fourth Proportional to 229,513.80, 344,270.70 and 213,767.40

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Solution

The fourth proportional to 229,513.80, 344,270.70 and 213,767.40 is: 320,651.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,513.80 : 344,270.70 = 213,767.40 : x
  2. Step 2: Convert to fraction form
    229,513.80/344,270.70 = 213,767.40/x
  3. Step 3: Cross multiply
    229,513.80x = 344,270.70 × 213,767.40
  4. Step 4: Simplify right side
    229,513.80x = 73,593,852,435.18
  5. Step 5: Solve for x
    x = 73,593,852,435.18/229,513.80
  6. Step 6: Final answer
    x = 320,651.10

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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.