Home / 278,291.23-384,042.87-150,967.73

Finding the Fourth Proportional to 278,291.23, 384,042.87 and 150,967.73

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Solution

The fourth proportional to 278,291.23, 384,042.87 and 150,967.73 is: 208,336.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,291.23 : 384,042.87 = 150,967.73 : x
  2. Step 2: Convert to fraction form
    278,291.23/384,042.87 = 150,967.73/x
  3. Step 3: Cross multiply
    278,291.23x = 384,042.87 × 150,967.73
  4. Step 4: Simplify right side
    278,291.23x = 57,978,081,266.69
  5. Step 5: Solve for x
    x = 57,978,081,266.69/278,291.23
  6. Step 6: Final answer
    x = 208,336.00

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1.5x scale

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.