Home / 312,254.40-430,795.80-204,884.04

Finding the Fourth Proportional to 312,254.40, 430,795.80 and 204,884.04

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Solution

The fourth proportional to 312,254.40, 430,795.80 and 204,884.04 is: 282,664.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,254.40 : 430,795.80 = 204,884.04 : x
  2. Step 2: Convert to fraction form
    312,254.40/430,795.80 = 204,884.04/x
  3. Step 3: Cross multiply
    312,254.40x = 430,795.80 × 204,884.04
  4. Step 4: Simplify right side
    312,254.40x = 88,263,183,919.03
  5. Step 5: Solve for x
    x = 88,263,183,919.03/312,254.40
  6. Step 6: Final answer
    x = 282,664.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.