Home / 392,964.48-542,291.04-214,116.48

Finding the Fourth Proportional to 392,964.48, 542,291.04 and 214,116.48

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Solution

The fourth proportional to 392,964.48, 542,291.04 and 214,116.48 is: 295,480.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,964.48 : 542,291.04 = 214,116.48 : x
  2. Step 2: Convert to fraction form
    392,964.48/542,291.04 = 214,116.48/x
  3. Step 3: Cross multiply
    392,964.48x = 542,291.04 × 214,116.48
  4. Step 4: Simplify right side
    392,964.48x = 116,113,448,620.34
  5. Step 5: Solve for x
    x = 116,113,448,620.34/392,964.48
  6. Step 6: Final answer
    x = 295,480.77

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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.