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Finding the Fourth Proportional to 213,580.80, 294,937.20 and 171,447.84

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Solution

The fourth proportional to 213,580.80, 294,937.20 and 171,447.84 is: 236,755.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,580.80 : 294,937.20 = 171,447.84 : x
  2. Step 2: Convert to fraction form
    213,580.80/294,937.20 = 171,447.84/x
  3. Step 3: Cross multiply
    213,580.80x = 294,937.20 × 171,447.84
  4. Step 4: Simplify right side
    213,580.80x = 50,566,345,875.65
  5. Step 5: Solve for x
    x = 50,566,345,875.65/213,580.80
  6. Step 6: Final answer
    x = 236,755.11

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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.