Home / 284,076.39-426,003.84-106,486.50

Finding the Fourth Proportional to 284,076.39, 426,003.84 and 106,486.50

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Solution

The fourth proportional to 284,076.39, 426,003.84 and 106,486.50 is: 159,688.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,076.39 : 426,003.84 = 106,486.50 : x
  2. Step 2: Convert to fraction form
    284,076.39/426,003.84 = 106,486.50/x
  3. Step 3: Cross multiply
    284,076.39x = 426,003.84 × 106,486.50
  4. Step 4: Simplify right side
    284,076.39x = 45,363,657,908.16
  5. Step 5: Solve for x
    x = 45,363,657,908.16/284,076.39
  6. Step 6: Final answer
    x = 159,688.24

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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.