Home / 339,748.47-509,622.80-99,862.41

Finding the Fourth Proportional to 339,748.47, 509,622.80 and 99,862.41

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Solution

The fourth proportional to 339,748.47, 509,622.80 and 99,862.41 is: 149,793.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,748.47 : 509,622.80 = 99,862.41 : x
  2. Step 2: Convert to fraction form
    339,748.47/509,622.80 = 99,862.41/x
  3. Step 3: Cross multiply
    339,748.47x = 509,622.80 × 99,862.41
  4. Step 4: Simplify right side
    339,748.47x = 50,892,160,499.64
  5. Step 5: Solve for x
    x = 50,892,160,499.64/339,748.47
  6. Step 6: Final answer
    x = 149,793.64

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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.