Home / 297,289.67-446,002.61-128,838.29

Finding the Fourth Proportional to 297,289.67, 446,002.61 and 128,838.29

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Solution

The fourth proportional to 297,289.67, 446,002.61 and 128,838.29 is: 193,286.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,289.67 : 446,002.61 = 128,838.29 : x
  2. Step 2: Convert to fraction form
    297,289.67/446,002.61 = 128,838.29/x
  3. Step 3: Cross multiply
    297,289.67x = 446,002.61 × 128,838.29
  4. Step 4: Simplify right side
    297,289.67x = 57,462,210,733.73
  5. Step 5: Solve for x
    x = 57,462,210,733.73/297,289.67
  6. Step 6: Final answer
    x = 193,286.94

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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.