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Finding the Fourth Proportional to 162,693.60, 244,040.40 and 143,010.60

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Solution

The fourth proportional to 162,693.60, 244,040.40 and 143,010.60 is: 214,515.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,693.60 : 244,040.40 = 143,010.60 : x
  2. Step 2: Convert to fraction form
    162,693.60/244,040.40 = 143,010.60/x
  3. Step 3: Cross multiply
    162,693.60x = 244,040.40 × 143,010.60
  4. Step 4: Simplify right side
    162,693.60x = 34,900,364,028.24
  5. Step 5: Solve for x
    x = 34,900,364,028.24/162,693.60
  6. Step 6: Final answer
    x = 214,515.90

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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.