Home / 319,671.31-441,144.23-176,431.35

Finding the Fourth Proportional to 319,671.31, 441,144.23 and 176,431.35

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Solution

The fourth proportional to 319,671.31, 441,144.23 and 176,431.35 is: 243,474.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,671.31 : 441,144.23 = 176,431.35 : x
  2. Step 2: Convert to fraction form
    319,671.31/441,144.23 = 176,431.35/x
  3. Step 3: Cross multiply
    319,671.31x = 441,144.23 × 176,431.35
  4. Step 4: Simplify right side
    319,671.31x = 77,831,669,837.89
  5. Step 5: Solve for x
    x = 77,831,669,837.89/319,671.31
  6. Step 6: Final answer
    x = 243,474.06

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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.