Home / 278,542.15-417,840.91-101,063.00

Finding the Fourth Proportional to 278,542.15, 417,840.91 and 101,063.00

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Solution

The fourth proportional to 278,542.15, 417,840.91 and 101,063.00 is: 151,604.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,542.15 : 417,840.91 = 101,063.00 : x
  2. Step 2: Convert to fraction form
    278,542.15/417,840.91 = 101,063.00/x
  3. Step 3: Cross multiply
    278,542.15x = 417,840.91 × 101,063.00
  4. Step 4: Simplify right side
    278,542.15x = 42,228,254,978.01
  5. Step 5: Solve for x
    x = 42,228,254,978.01/278,542.15
  6. Step 6: Final answer
    x = 151,604.54

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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.