Home / 319,278.11-440,602.13-174,091.68

Finding the Fourth Proportional to 319,278.11, 440,602.13 and 174,091.68

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Solution

The fourth proportional to 319,278.11, 440,602.13 and 174,091.68 is: 240,245.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,278.11 : 440,602.13 = 174,091.68 : x
  2. Step 2: Convert to fraction form
    319,278.11/440,602.13 = 174,091.68/x
  3. Step 3: Cross multiply
    319,278.11x = 440,602.13 × 174,091.68
  4. Step 4: Simplify right side
    319,278.11x = 76,705,165,458.51
  5. Step 5: Solve for x
    x = 76,705,165,458.51/319,278.11
  6. Step 6: Final answer
    x = 240,245.62

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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.