Home / 252,619.50-348,614.94-139,442.28

Finding the Fourth Proportional to 252,619.50, 348,614.94 and 139,442.28

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Solution

The fourth proportional to 252,619.50, 348,614.94 and 139,442.28 is: 192,430.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,619.50 : 348,614.94 = 139,442.28 : x
  2. Step 2: Convert to fraction form
    252,619.50/348,614.94 = 139,442.28/x
  3. Step 3: Cross multiply
    252,619.50x = 348,614.94 × 139,442.28
  4. Step 4: Simplify right side
    252,619.50x = 48,611,662,075.66
  5. Step 5: Solve for x
    x = 48,611,662,075.66/252,619.50
  6. Step 6: Final answer
    x = 192,430.36

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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.