Home / 338,436.35-507,091.65-238,385.18

Finding the Fourth Proportional to 338,436.35, 507,091.65 and 238,385.18

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Solution

The fourth proportional to 338,436.35, 507,091.65 and 238,385.18 is: 357,181.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,436.35 : 507,091.65 = 238,385.18 : x
  2. Step 2: Convert to fraction form
    338,436.35/507,091.65 = 238,385.18/x
  3. Step 3: Cross multiply
    338,436.35x = 507,091.65 × 238,385.18
  4. Step 4: Simplify right side
    338,436.35x = 120,883,131,726.29
  5. Step 5: Solve for x
    x = 120,883,131,726.29/338,436.35
  6. Step 6: Final answer
    x = 357,181.29

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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.