Home / 336,128.70-504,193.05-217,155.90

Finding the Fourth Proportional to 336,128.70, 504,193.05 and 217,155.90

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Solution

The fourth proportional to 336,128.70, 504,193.05 and 217,155.90 is: 325,733.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,128.70 : 504,193.05 = 217,155.90 : x
  2. Step 2: Convert to fraction form
    336,128.70/504,193.05 = 217,155.90/x
  3. Step 3: Cross multiply
    336,128.70x = 504,193.05 × 217,155.90
  4. Step 4: Simplify right side
    336,128.70x = 109,488,495,546.50
  5. Step 5: Solve for x
    x = 109,488,495,546.50/336,128.70
  6. Step 6: Final answer
    x = 325,733.85

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1.5x scale

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.