Home / 286,920.45-430,433.22-118,348.82

Finding the Fourth Proportional to 286,920.45, 430,433.22 and 118,348.82

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Solution

The fourth proportional to 286,920.45, 430,433.22 and 118,348.82 is: 177,544.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,920.45 : 430,433.22 = 118,348.82 : x
  2. Step 2: Convert to fraction form
    286,920.45/430,433.22 = 118,348.82/x
  3. Step 3: Cross multiply
    286,920.45x = 430,433.22 × 118,348.82
  4. Step 4: Simplify right side
    286,920.45x = 50,941,263,137.76
  5. Step 5: Solve for x
    x = 50,941,263,137.76/286,920.45
  6. Step 6: Final answer
    x = 177,544.90

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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.