Home / 430,200.41-645,584.88-202,561.14

Finding the Fourth Proportional to 430,200.41, 645,584.88 and 202,561.14

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Solution

The fourth proportional to 430,200.41, 645,584.88 and 202,561.14 is: 303,975.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,200.41 : 645,584.88 = 202,561.14 : x
  2. Step 2: Convert to fraction form
    430,200.41/645,584.88 = 202,561.14/x
  3. Step 3: Cross multiply
    430,200.41x = 645,584.88 × 202,561.14
  4. Step 4: Simplify right side
    430,200.41x = 130,770,409,259.56
  5. Step 5: Solve for x
    x = 130,770,409,259.56/430,200.41
  6. Step 6: Final answer
    x = 303,975.56

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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.