Home / 238,904.96-329,578.08-143,245.40

Finding the Fourth Proportional to 238,904.96, 329,578.08 and 143,245.40

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Solution

The fourth proportional to 238,904.96, 329,578.08 and 143,245.40 is: 197,612.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,904.96 : 329,578.08 = 143,245.40 : x
  2. Step 2: Convert to fraction form
    238,904.96/329,578.08 = 143,245.40/x
  3. Step 3: Cross multiply
    238,904.96x = 329,578.08 × 143,245.40
  4. Step 4: Simplify right side
    238,904.96x = 47,210,543,900.83
  5. Step 5: Solve for x
    x = 47,210,543,900.83/238,904.96
  6. Step 6: Final answer
    x = 197,612.24

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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.