Home / 289,604.24-434,348.04-79,263.44

Finding the Fourth Proportional to 289,604.24, 434,348.04 and 79,263.44

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Solution

The fourth proportional to 289,604.24, 434,348.04 and 79,263.44 is: 118,879.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,604.24 : 434,348.04 = 79,263.44 : x
  2. Step 2: Convert to fraction form
    289,604.24/434,348.04 = 79,263.44/x
  3. Step 3: Cross multiply
    289,604.24x = 434,348.04 × 79,263.44
  4. Step 4: Simplify right side
    289,604.24x = 34,427,919,807.66
  5. Step 5: Solve for x
    x = 34,427,919,807.66/289,604.24
  6. Step 6: Final answer
    x = 118,879.20

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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.