Home / 238,268.68-328,837.02-136,303.54

Finding the Fourth Proportional to 238,268.68, 328,837.02 and 136,303.54

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Solution

The fourth proportional to 238,268.68, 328,837.02 and 136,303.54 is: 188,113.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,268.68 : 328,837.02 = 136,303.54 : x
  2. Step 2: Convert to fraction form
    238,268.68/328,837.02 = 136,303.54/x
  3. Step 3: Cross multiply
    238,268.68x = 328,837.02 × 136,303.54
  4. Step 4: Simplify right side
    238,268.68x = 44,821,649,909.05
  5. Step 5: Solve for x
    x = 44,821,649,909.05/238,268.68
  6. Step 6: Final answer
    x = 188,113.90

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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.