Home / 284,884.46-427,374.22-127,107

Finding the Fourth Proportional to 284,884.46, 427,374.22 and 127,107

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Solution

The fourth proportional to 284,884.46, 427,374.22 and 127,107 is: 190,681.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,884.46 : 427,374.22 = 127,107 : x
  2. Step 2: Convert to fraction form
    284,884.46/427,374.22 = 127,107/x
  3. Step 3: Cross multiply
    284,884.46x = 427,374.22 × 127,107
  4. Step 4: Simplify right side
    284,884.46x = 54,322,254,981.54
  5. Step 5: Solve for x
    x = 54,322,254,981.54/284,884.46
  6. Step 6: Final answer
    x = 190,681.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.