Home / 316,448.23-436,702.66-173,205.20

Finding the Fourth Proportional to 316,448.23, 436,702.66 and 173,205.20

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Solution

The fourth proportional to 316,448.23, 436,702.66 and 173,205.20 is: 239,025.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,448.23 : 436,702.66 = 173,205.20 : x
  2. Step 2: Convert to fraction form
    316,448.23/436,702.66 = 173,205.20/x
  3. Step 3: Cross multiply
    316,448.23x = 436,702.66 × 173,205.20
  4. Step 4: Simplify right side
    316,448.23x = 75,639,168,949.31
  5. Step 5: Solve for x
    x = 75,639,168,949.31/316,448.23
  6. Step 6: Final answer
    x = 239,025.42

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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.