Home / 282,733.10-423,861.22-122,688.44

Finding the Fourth Proportional to 282,733.10, 423,861.22 and 122,688.44

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Solution

The fourth proportional to 282,733.10, 423,861.22 and 122,688.44 is: 183,929.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,733.10 : 423,861.22 = 122,688.44 : x
  2. Step 2: Convert to fraction form
    282,733.10/423,861.22 = 122,688.44/x
  3. Step 3: Cross multiply
    282,733.10x = 423,861.22 × 122,688.44
  4. Step 4: Simplify right side
    282,733.10x = 52,002,871,481.83
  5. Step 5: Solve for x
    x = 52,002,871,481.83/282,733.10
  6. Step 6: Final answer
    x = 183,929.20

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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.