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Finding the Fourth Proportional to 225,560.43, 310,563.27 and 191,501.55

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Solution

The fourth proportional to 225,560.43, 310,563.27 and 191,501.55 is: 263,669.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,560.43 : 310,563.27 = 191,501.55 : x
  2. Step 2: Convert to fraction form
    225,560.43/310,563.27 = 191,501.55/x
  3. Step 3: Cross multiply
    225,560.43x = 310,563.27 × 191,501.55
  4. Step 4: Simplify right side
    225,560.43x = 59,473,347,578.07
  5. Step 5: Solve for x
    x = 59,473,347,578.07/225,560.43
  6. Step 6: Final answer
    x = 263,669.24

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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.