Home / 338,233.18-507,373.44-135,829.25

Finding the Fourth Proportional to 338,233.18, 507,373.44 and 135,829.25

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Solution

The fourth proportional to 338,233.18, 507,373.44 and 135,829.25 is: 203,753.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,233.18 : 507,373.44 = 135,829.25 : x
  2. Step 2: Convert to fraction form
    338,233.18/507,373.44 = 135,829.25/x
  3. Step 3: Cross multiply
    338,233.18x = 507,373.44 × 135,829.25
  4. Step 4: Simplify right side
    338,233.18x = 68,916,151,254.56
  5. Step 5: Solve for x
    x = 68,916,151,254.56/338,233.18
  6. Step 6: Final answer
    x = 203,753.37

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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.