Home / 285,938.40-394,563.16-158,582.08

Finding the Fourth Proportional to 285,938.40, 394,563.16 and 158,582.08

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Solution

The fourth proportional to 285,938.40, 394,563.16 and 158,582.08 is: 218,825.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,938.40 : 394,563.16 = 158,582.08 : x
  2. Step 2: Convert to fraction form
    285,938.40/394,563.16 = 158,582.08/x
  3. Step 3: Cross multiply
    285,938.40x = 394,563.16 × 158,582.08
  4. Step 4: Simplify right side
    285,938.40x = 62,570,646,604.17
  5. Step 5: Solve for x
    x = 62,570,646,604.17/285,938.40
  6. Step 6: Final answer
    x = 218,825.62

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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.