Home / 316,442.36-436,689.73-173,201.15

Finding the Fourth Proportional to 316,442.36, 436,689.73 and 173,201.15

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Solution

The fourth proportional to 316,442.36, 436,689.73 and 173,201.15 is: 239,017.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,442.36 : 436,689.73 = 173,201.15 : x
  2. Step 2: Convert to fraction form
    316,442.36/436,689.73 = 173,201.15/x
  3. Step 3: Cross multiply
    316,442.36x = 436,689.73 × 173,201.15
  4. Step 4: Simplify right side
    316,442.36x = 75,635,164,737.42
  5. Step 5: Solve for x
    x = 75,635,164,737.42/316,442.36
  6. Step 6: Final answer
    x = 239,017.19

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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.