Home / 284,948.37-393,238.67-157,635.81

Finding the Fourth Proportional to 284,948.37, 393,238.67 and 157,635.81

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Solution

The fourth proportional to 284,948.37, 393,238.67 and 157,635.81 is: 217,542.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,948.37 : 393,238.67 = 157,635.81 : x
  2. Step 2: Convert to fraction form
    284,948.37/393,238.67 = 157,635.81/x
  3. Step 3: Cross multiply
    284,948.37x = 393,238.67 × 157,635.81
  4. Step 4: Simplify right side
    284,948.37x = 61,988,495,480.59
  5. Step 5: Solve for x
    x = 61,988,495,480.59/284,948.37
  6. Step 6: Final answer
    x = 217,542.90

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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.