Home / 284,735.07-392,942.60-157,418.87

Finding the Fourth Proportional to 284,735.07, 392,942.60 and 157,418.87

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Solution

The fourth proportional to 284,735.07, 392,942.60 and 157,418.87 is: 217,242.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,735.07 : 392,942.60 = 157,418.87 : x
  2. Step 2: Convert to fraction form
    284,735.07/392,942.60 = 157,418.87/x
  3. Step 3: Cross multiply
    284,735.07x = 392,942.60 × 157,418.87
  4. Step 4: Simplify right side
    284,735.07x = 61,856,577,315.05
  5. Step 5: Solve for x
    x = 61,856,577,315.05/284,735.07
  6. Step 6: Final answer
    x = 217,242.57

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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.