Home / 250,709.72-345,984.09-153,865.02

Finding the Fourth Proportional to 250,709.72, 345,984.09 and 153,865.02

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Solution

The fourth proportional to 250,709.72, 345,984.09 and 153,865.02 is: 212,336.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,709.72 : 345,984.09 = 153,865.02 : x
  2. Step 2: Convert to fraction form
    250,709.72/345,984.09 = 153,865.02/x
  3. Step 3: Cross multiply
    250,709.72x = 345,984.09 × 153,865.02
  4. Step 4: Simplify right side
    250,709.72x = 53,234,848,927.53
  5. Step 5: Solve for x
    x = 53,234,848,927.53/250,709.72
  6. Step 6: Final answer
    x = 212,336.60

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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.