Home / 297,821.64-446,953.89-120,330.19

Finding the Fourth Proportional to 297,821.64, 446,953.89 and 120,330.19

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Solution

The fourth proportional to 297,821.64, 446,953.89 and 120,330.19 is: 180,584.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,821.64 : 446,953.89 = 120,330.19 : x
  2. Step 2: Convert to fraction form
    297,821.64/446,953.89 = 120,330.19/x
  3. Step 3: Cross multiply
    297,821.64x = 446,953.89 × 120,330.19
  4. Step 4: Simplify right side
    297,821.64x = 53,782,044,270.17
  5. Step 5: Solve for x
    x = 53,782,044,270.17/297,821.64
  6. Step 6: Final answer
    x = 180,584.74

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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.