Home / 285,206.94-393,584.89-170,480.01

Finding the Fourth Proportional to 285,206.94, 393,584.89 and 170,480.01

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Solution

The fourth proportional to 285,206.94, 393,584.89 and 170,480.01 is: 235,262.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,206.94 : 393,584.89 = 170,480.01 : x
  2. Step 2: Convert to fraction form
    285,206.94/393,584.89 = 170,480.01/x
  3. Step 3: Cross multiply
    285,206.94x = 393,584.89 × 170,480.01
  4. Step 4: Simplify right side
    285,206.94x = 67,098,355,983.05
  5. Step 5: Solve for x
    x = 67,098,355,983.05/285,206.94
  6. Step 6: Final answer
    x = 235,262.00

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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.