Home / 352,945.65-529,522.39-128,302.54

Finding the Fourth Proportional to 352,945.65, 529,522.39 and 128,302.54

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Solution

The fourth proportional to 352,945.65, 529,522.39 and 128,302.54 is: 192,491.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,945.65 : 529,522.39 = 128,302.54 : x
  2. Step 2: Convert to fraction form
    352,945.65/529,522.39 = 128,302.54/x
  3. Step 3: Cross multiply
    352,945.65x = 529,522.39 × 128,302.54
  4. Step 4: Simplify right side
    352,945.65x = 67,939,068,626.92
  5. Step 5: Solve for x
    x = 67,939,068,626.92/352,945.65
  6. Step 6: Final answer
    x = 192,491.59

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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.