Home / 389,021.40-583,794.72-152,334.54

Finding the Fourth Proportional to 389,021.40, 583,794.72 and 152,334.54

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Solution

The fourth proportional to 389,021.40, 583,794.72 and 152,334.54 is: 228,604.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,021.40 : 583,794.72 = 152,334.54 : x
  2. Step 2: Convert to fraction form
    389,021.40/583,794.72 = 152,334.54/x
  3. Step 3: Cross multiply
    389,021.40x = 583,794.72 × 152,334.54
  4. Step 4: Simplify right side
    389,021.40x = 88,932,100,125.63
  5. Step 5: Solve for x
    x = 88,932,100,125.63/389,021.40
  6. Step 6: Final answer
    x = 228,604.65

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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.