Home / 285,260.04-393,664.62-157,940.22

Finding the Fourth Proportional to 285,260.04, 393,664.62 and 157,940.22

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Solution

The fourth proportional to 285,260.04, 393,664.62 and 157,940.22 is: 217,960.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,260.04 : 393,664.62 = 157,940.22 : x
  2. Step 2: Convert to fraction form
    285,260.04/393,664.62 = 157,940.22/x
  3. Step 3: Cross multiply
    285,260.04x = 393,664.62 × 157,940.22
  4. Step 4: Simplify right side
    285,260.04x = 62,175,476,689.02
  5. Step 5: Solve for x
    x = 62,175,476,689.02/285,260.04
  6. Step 6: Final answer
    x = 217,960.70

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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.