Home / 389,315.88-584,302.14-152,824.68

Finding the Fourth Proportional to 389,315.88, 584,302.14 and 152,824.68

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Solution

The fourth proportional to 389,315.88, 584,302.14 and 152,824.68 is: 229,365.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,315.88 : 584,302.14 = 152,824.68 : x
  2. Step 2: Convert to fraction form
    389,315.88/584,302.14 = 152,824.68/x
  3. Step 3: Cross multiply
    389,315.88x = 584,302.14 × 152,824.68
  4. Step 4: Simplify right side
    389,315.88x = 89,295,787,568.82
  5. Step 5: Solve for x
    x = 89,295,787,568.82/389,315.88
  6. Step 6: Final answer
    x = 229,365.90

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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.