Home / 352,133.10-528,199.65-102,815.10

Finding the Fourth Proportional to 352,133.10, 528,199.65 and 102,815.10

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Solution

The fourth proportional to 352,133.10, 528,199.65 and 102,815.10 is: 154,222.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,133.10 : 528,199.65 = 102,815.10 : x
  2. Step 2: Convert to fraction form
    352,133.10/528,199.65 = 102,815.10/x
  3. Step 3: Cross multiply
    352,133.10x = 528,199.65 × 102,815.10
  4. Step 4: Simplify right side
    352,133.10x = 54,306,899,834.72
  5. Step 5: Solve for x
    x = 54,306,899,834.72/352,133.10
  6. Step 6: Final answer
    x = 154,222.65

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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.