Home / 272,143.50-408,075.30-122,255.22

Finding the Fourth Proportional to 272,143.50, 408,075.30 and 122,255.22

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Solution

The fourth proportional to 272,143.50, 408,075.30 and 122,255.22 is: 183,319.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,143.50 : 408,075.30 = 122,255.22 : x
  2. Step 2: Convert to fraction form
    272,143.50/408,075.30 = 122,255.22/x
  3. Step 3: Cross multiply
    272,143.50x = 408,075.30 × 122,255.22
  4. Step 4: Simplify right side
    272,143.50x = 49,889,335,578.07
  5. Step 5: Solve for x
    x = 49,889,335,578.07/272,143.50
  6. Step 6: Final answer
    x = 183,319.96

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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.