Home / 344,023.20-515,948.40-122,355.36

Finding the Fourth Proportional to 344,023.20, 515,948.40 and 122,355.36

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Solution

The fourth proportional to 344,023.20, 515,948.40 and 122,355.36 is: 183,502.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,023.20 : 515,948.40 = 122,355.36 : x
  2. Step 2: Convert to fraction form
    344,023.20/515,948.40 = 122,355.36/x
  3. Step 3: Cross multiply
    344,023.20x = 515,948.40 × 122,355.36
  4. Step 4: Simplify right side
    344,023.20x = 63,129,052,223.42
  5. Step 5: Solve for x
    x = 63,129,052,223.42/344,023.20
  6. Step 6: Final answer
    x = 183,502.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.