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Finding the Fourth Proportional to 285,952.68, 394,614.86 and 158,628.38

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Solution

The fourth proportional to 285,952.68, 394,614.86 and 158,628.38 is: 218,907.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,952.68 : 394,614.86 = 158,628.38 : x
  2. Step 2: Convert to fraction form
    285,952.68/394,614.86 = 158,628.38/x
  3. Step 3: Cross multiply
    285,952.68x = 394,614.86 × 158,628.38
  4. Step 4: Simplify right side
    285,952.68x = 62,597,113,199.51
  5. Step 5: Solve for x
    x = 62,597,113,199.51/285,952.68
  6. Step 6: Final answer
    x = 218,907.24

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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.