Home / 278,625.18-417,752.01-101,109.09

Finding the Fourth Proportional to 278,625.18, 417,752.01 and 101,109.09

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Solution

The fourth proportional to 278,625.18, 417,752.01 and 101,109.09 is: 151,596.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,625.18 : 417,752.01 = 101,109.09 : x
  2. Step 2: Convert to fraction form
    278,625.18/417,752.01 = 101,109.09/x
  3. Step 3: Cross multiply
    278,625.18x = 417,752.01 × 101,109.09
  4. Step 4: Simplify right side
    278,625.18x = 42,238,525,576.77
  5. Step 5: Solve for x
    x = 42,238,525,576.77/278,625.18
  6. Step 6: Final answer
    x = 151,596.23

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1.5x scale

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.