Home / 213,070.25-319,300.88-156,466.37

Finding the Fourth Proportional to 213,070.25, 319,300.88 and 156,466.37

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Solution

The fourth proportional to 213,070.25, 319,300.88 and 156,466.37 is: 234,475.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,070.25 : 319,300.88 = 156,466.37 : x
  2. Step 2: Convert to fraction form
    213,070.25/319,300.88 = 156,466.37/x
  3. Step 3: Cross multiply
    213,070.25x = 319,300.88 × 156,466.37
  4. Step 4: Simplify right side
    213,070.25x = 49,959,847,252.57
  5. Step 5: Solve for x
    x = 49,959,847,252.57/213,070.25
  6. Step 6: Final answer
    x = 234,475.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.