Home / 284,929.34-393,185.18-155,843.48

Finding the Fourth Proportional to 284,929.34, 393,185.18 and 155,843.48

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Solution

The fourth proportional to 284,929.34, 393,185.18 and 155,843.48 is: 215,054.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,929.34 : 393,185.18 = 155,843.48 : x
  2. Step 2: Convert to fraction form
    284,929.34/393,185.18 = 155,843.48/x
  3. Step 3: Cross multiply
    284,929.34x = 393,185.18 × 155,843.48
  4. Step 4: Simplify right side
    284,929.34x = 61,275,343,990.48
  5. Step 5: Solve for x
    x = 61,275,343,990.48/284,929.34
  6. Step 6: Final answer
    x = 215,054.53

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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.