Home / 285,029.94-393,338.79-170,302.35

Finding the Fourth Proportional to 285,029.94, 393,338.79 and 170,302.35

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Solution

The fourth proportional to 285,029.94, 393,338.79 and 170,302.35 is: 235,015.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,029.94 : 393,338.79 = 170,302.35 : x
  2. Step 2: Convert to fraction form
    285,029.94/393,338.79 = 170,302.35/x
  3. Step 3: Cross multiply
    285,029.94x = 393,338.79 × 170,302.35
  4. Step 4: Simplify right side
    285,029.94x = 66,986,520,283.16
  5. Step 5: Solve for x
    x = 66,986,520,283.16/285,029.94
  6. Step 6: Final answer
    x = 235,015.73

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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.