Home / 284,864.44-393,096.96-155,777.32

Finding the Fourth Proportional to 284,864.44, 393,096.96 and 155,777.32

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Solution

The fourth proportional to 284,864.44, 393,096.96 and 155,777.32 is: 214,963.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,864.44 : 393,096.96 = 155,777.32 : x
  2. Step 2: Convert to fraction form
    284,864.44/393,096.96 = 155,777.32/x
  3. Step 3: Cross multiply
    284,864.44x = 393,096.96 × 155,777.32
  4. Step 4: Simplify right side
    284,864.44x = 61,235,590,928.95
  5. Step 5: Solve for x
    x = 61,235,590,928.95/284,864.44
  6. Step 6: Final answer
    x = 214,963.97

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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.