Home / 252,457.48-348,393.18-139,284.28

Finding the Fourth Proportional to 252,457.48, 348,393.18 and 139,284.28

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Solution

The fourth proportional to 252,457.48, 348,393.18 and 139,284.28 is: 192,213.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,457.48 : 348,393.18 = 139,284.28 : x
  2. Step 2: Convert to fraction form
    252,457.48/348,393.18 = 139,284.28/x
  3. Step 3: Cross multiply
    252,457.48x = 348,393.18 × 139,284.28
  4. Step 4: Simplify right side
    252,457.48x = 48,525,693,233.21
  5. Step 5: Solve for x
    x = 48,525,693,233.21/252,457.48
  6. Step 6: Final answer
    x = 192,213.33

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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.