Home / 228,724.32-315,245.49-152,106.48

Finding the Fourth Proportional to 228,724.32, 315,245.49 and 152,106.48

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Solution

The fourth proportional to 228,724.32, 315,245.49 and 152,106.48 is: 209,644.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,724.32 : 315,245.49 = 152,106.48 : x
  2. Step 2: Convert to fraction form
    228,724.32/315,245.49 = 152,106.48/x
  3. Step 3: Cross multiply
    228,724.32x = 315,245.49 × 152,106.48
  4. Step 4: Simplify right side
    228,724.32x = 47,950,881,819.78
  5. Step 5: Solve for x
    x = 47,950,881,819.78/228,724.32
  6. Step 6: Final answer
    x = 209,644.88

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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.