Home / 252,622.56-348,619.08-139,445.28

Finding the Fourth Proportional to 252,622.56, 348,619.08 and 139,445.28

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Solution

The fourth proportional to 252,622.56, 348,619.08 and 139,445.28 is: 192,434.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,622.56 : 348,619.08 = 139,445.28 : x
  2. Step 2: Convert to fraction form
    252,622.56/348,619.08 = 139,445.28/x
  3. Step 3: Cross multiply
    252,622.56x = 348,619.08 × 139,445.28
  4. Step 4: Simplify right side
    252,622.56x = 48,613,285,223.94
  5. Step 5: Solve for x
    x = 48,613,285,223.94/252,622.56
  6. Step 6: Final answer
    x = 192,434.46

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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.