Home / 248,511.30-372,766.95-209,145.30

Finding the Fourth Proportional to 248,511.30, 372,766.95 and 209,145.30

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Solution

The fourth proportional to 248,511.30, 372,766.95 and 209,145.30 is: 313,717.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,511.30 : 372,766.95 = 209,145.30 : x
  2. Step 2: Convert to fraction form
    248,511.30/372,766.95 = 209,145.30/x
  3. Step 3: Cross multiply
    248,511.30x = 372,766.95 × 209,145.30
  4. Step 4: Simplify right side
    248,511.30x = 77,962,455,587.84
  5. Step 5: Solve for x
    x = 77,962,455,587.84/248,511.30
  6. Step 6: Final answer
    x = 313,717.95

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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.