Home / 284,782.11-393,007.19-157,462.26

Finding the Fourth Proportional to 284,782.11, 393,007.19 and 157,462.26

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Solution

The fourth proportional to 284,782.11, 393,007.19 and 157,462.26 is: 217,302.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,782.11 : 393,007.19 = 157,462.26 : x
  2. Step 2: Convert to fraction form
    284,782.11/393,007.19 = 157,462.26/x
  3. Step 3: Cross multiply
    284,782.11x = 393,007.19 × 157,462.26
  4. Step 4: Simplify right side
    284,782.11x = 61,883,799,546.34
  5. Step 5: Solve for x
    x = 61,883,799,546.34/284,782.11
  6. Step 6: Final answer
    x = 217,302.27

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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.