Home / 228,339.12-315,108.82-123,563.08

Finding the Fourth Proportional to 228,339.12, 315,108.82 and 123,563.08

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Solution

The fourth proportional to 228,339.12, 315,108.82 and 123,563.08 is: 170,517.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,339.12 : 315,108.82 = 123,563.08 : x
  2. Step 2: Convert to fraction form
    228,339.12/315,108.82 = 123,563.08/x
  3. Step 3: Cross multiply
    228,339.12x = 315,108.82 × 123,563.08
  4. Step 4: Simplify right side
    228,339.12x = 38,935,816,334.37
  5. Step 5: Solve for x
    x = 38,935,816,334.37/228,339.12
  6. Step 6: Final answer
    x = 170,517.50

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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.