Home / 297,285.40-445,996.22-128,834

Finding the Fourth Proportional to 297,285.40, 445,996.22 and 128,834

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Solution

The fourth proportional to 297,285.40, 445,996.22 and 128,834 is: 193,280.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,285.40 : 445,996.22 = 128,834 : x
  2. Step 2: Convert to fraction form
    297,285.40/445,996.22 = 128,834/x
  3. Step 3: Cross multiply
    297,285.40x = 445,996.22 × 128,834
  4. Step 4: Simplify right side
    297,285.40x = 57,459,477,007.48
  5. Step 5: Solve for x
    x = 57,459,477,007.48/297,285.40
  6. Step 6: Final answer
    x = 193,280.52

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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.