Home / 252,515.25-348,478.34-139,345.29

Finding the Fourth Proportional to 252,515.25, 348,478.34 and 139,345.29

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Solution

The fourth proportional to 252,515.25, 348,478.34 and 139,345.29 is: 192,300.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,515.25 : 348,478.34 = 139,345.29 : x
  2. Step 2: Convert to fraction form
    252,515.25/348,478.34 = 139,345.29/x
  3. Step 3: Cross multiply
    252,515.25x = 348,478.34 × 139,345.29
  4. Step 4: Simplify right side
    252,515.25x = 48,558,814,649.29
  5. Step 5: Solve for x
    x = 48,558,814,649.29/252,515.25
  6. Step 6: Final answer
    x = 192,300.52

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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.