Home / 645,216.34-967,720.83-201,984.34

Finding the Fourth Proportional to 645,216.34, 967,720.83 and 201,984.34

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Solution

The fourth proportional to 645,216.34, 967,720.83 and 201,984.34 is: 302,944.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    645,216.34 : 967,720.83 = 201,984.34 : x
  2. Step 2: Convert to fraction form
    645,216.34/967,720.83 = 201,984.34/x
  3. Step 3: Cross multiply
    645,216.34x = 967,720.83 × 201,984.34
  4. Step 4: Simplify right side
    645,216.34x = 195,464,453,151.80
  5. Step 5: Solve for x
    x = 195,464,453,151.80/645,216.34
  6. Step 6: Final answer
    x = 302,944.05

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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.