Home / 238,837.30-329,600.58-131,407.64

Finding the Fourth Proportional to 238,837.30, 329,600.58 and 131,407.64

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Solution

The fourth proportional to 238,837.30, 329,600.58 and 131,407.64 is: 181,345.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,837.30 : 329,600.58 = 131,407.64 : x
  2. Step 2: Convert to fraction form
    238,837.30/329,600.58 = 131,407.64/x
  3. Step 3: Cross multiply
    238,837.30x = 329,600.58 × 131,407.64
  4. Step 4: Simplify right side
    238,837.30x = 43,312,035,184.43
  5. Step 5: Solve for x
    x = 43,312,035,184.43/238,837.30
  6. Step 6: Final answer
    x = 181,345.36

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1.5x scale

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.