Home / 285,443.04-393,906.24-158,118.24

Finding the Fourth Proportional to 285,443.04, 393,906.24 and 158,118.24

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Solution

The fourth proportional to 285,443.04, 393,906.24 and 158,118.24 is: 218,200.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,443.04 : 393,906.24 = 158,118.24 : x
  2. Step 2: Convert to fraction form
    285,443.04/393,906.24 = 158,118.24/x
  3. Step 3: Cross multiply
    285,443.04x = 393,906.24 × 158,118.24
  4. Step 4: Simplify right side
    285,443.04x = 62,283,761,393.82
  5. Step 5: Solve for x
    x = 62,283,761,393.82/285,443.04
  6. Step 6: Final answer
    x = 218,200.32

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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.