Home / 284,387.06-426,417.78-228,330.68

Finding the Fourth Proportional to 284,387.06, 426,417.78 and 228,330.68

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Solution

The fourth proportional to 284,387.06, 426,417.78 and 228,330.68 is: 342,365.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,387.06 : 426,417.78 = 228,330.68 : x
  2. Step 2: Convert to fraction form
    284,387.06/426,417.78 = 228,330.68/x
  3. Step 3: Cross multiply
    284,387.06x = 426,417.78 × 228,330.68
  4. Step 4: Simplify right side
    284,387.06x = 97,364,261,671.49
  5. Step 5: Solve for x
    x = 97,364,261,671.49/284,387.06
  6. Step 6: Final answer
    x = 342,365.30

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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.