Home / 285,335.04-393,762-158,010.48

Finding the Fourth Proportional to 285,335.04, 393,762 and 158,010.48

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Solution

The fourth proportional to 285,335.04, 393,762 and 158,010.48 is: 218,054.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,335.04 : 393,762 = 158,010.48 : x
  2. Step 2: Convert to fraction form
    285,335.04/393,762 = 158,010.48/x
  3. Step 3: Cross multiply
    285,335.04x = 393,762 × 158,010.48
  4. Step 4: Simplify right side
    285,335.04x = 62,218,522,625.76
  5. Step 5: Solve for x
    x = 62,218,522,625.76/285,335.04
  6. Step 6: Final answer
    x = 218,054.27

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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.