Home / 258,883.02-357,175.14-145,683.90

Finding the Fourth Proportional to 258,883.02, 357,175.14 and 145,683.90

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Solution

The fourth proportional to 258,883.02, 357,175.14 and 145,683.90 is: 200,996.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,883.02 : 357,175.14 = 145,683.90 : x
  2. Step 2: Convert to fraction form
    258,883.02/357,175.14 = 145,683.90/x
  3. Step 3: Cross multiply
    258,883.02x = 357,175.14 × 145,683.90
  4. Step 4: Simplify right side
    258,883.02x = 52,034,667,378.25
  5. Step 5: Solve for x
    x = 52,034,667,378.25/258,883.02
  6. Step 6: Final answer
    x = 200,996.83

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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.