Home / 430,949.26-645,974.70-241,131.33

Finding the Fourth Proportional to 430,949.26, 645,974.70 and 241,131.33

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Solution

The fourth proportional to 430,949.26, 645,974.70 and 241,131.33 is: 361,445.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,949.26 : 645,974.70 = 241,131.33 : x
  2. Step 2: Convert to fraction form
    430,949.26/645,974.70 = 241,131.33/x
  3. Step 3: Cross multiply
    430,949.26x = 645,974.70 × 241,131.33
  4. Step 4: Simplify right side
    430,949.26x = 155,764,737,653.11
  5. Step 5: Solve for x
    x = 155,764,737,653.11/430,949.26
  6. Step 6: Final answer
    x = 361,445.65

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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.