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Finding the Fourth Proportional to 253,762.80, 349,628.76 and 167,568.72

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Solution

The fourth proportional to 253,762.80, 349,628.76 and 167,568.72 is: 230,872.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,762.80 : 349,628.76 = 167,568.72 : x
  2. Step 2: Convert to fraction form
    253,762.80/349,628.76 = 167,568.72/x
  3. Step 3: Cross multiply
    253,762.80x = 349,628.76 × 167,568.72
  4. Step 4: Simplify right side
    253,762.80x = 58,586,843,788.39
  5. Step 5: Solve for x
    x = 58,586,843,788.39/253,762.80
  6. Step 6: Final answer
    x = 230,872.47

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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.