Home / 284,827.55-393,051.33-157,505.27

Finding the Fourth Proportional to 284,827.55, 393,051.33 and 157,505.27

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Solution

The fourth proportional to 284,827.55, 393,051.33 and 157,505.27 is: 217,351.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,827.55 : 393,051.33 = 157,505.27 : x
  2. Step 2: Convert to fraction form
    284,827.55/393,051.33 = 157,505.27/x
  3. Step 3: Cross multiply
    284,827.55x = 393,051.33 × 157,505.27
  4. Step 4: Simplify right side
    284,827.55x = 61,907,653,890.25
  5. Step 5: Solve for x
    x = 61,907,653,890.25/284,827.55
  6. Step 6: Final answer
    x = 217,351.36

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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.