Home / 228,529.58-315,333.33-143,586.50

Finding the Fourth Proportional to 228,529.58, 315,333.33 and 143,586.50

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Solution

The fourth proportional to 228,529.58, 315,333.33 and 143,586.50 is: 198,125.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,529.58 : 315,333.33 = 143,586.50 : x
  2. Step 2: Convert to fraction form
    228,529.58/315,333.33 = 143,586.50/x
  3. Step 3: Cross multiply
    228,529.58x = 315,333.33 × 143,586.50
  4. Step 4: Simplify right side
    228,529.58x = 45,277,609,188.05
  5. Step 5: Solve for x
    x = 45,277,609,188.05/228,529.58
  6. Step 6: Final answer
    x = 198,125.81

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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.