Home / 648,865.26-973,300.20-199,583.10

Finding the Fourth Proportional to 648,865.26, 973,300.20 and 199,583.10

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Solution

The fourth proportional to 648,865.26, 973,300.20 and 199,583.10 is: 299,375.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,865.26 : 973,300.20 = 199,583.10 : x
  2. Step 2: Convert to fraction form
    648,865.26/973,300.20 = 199,583.10/x
  3. Step 3: Cross multiply
    648,865.26x = 973,300.20 × 199,583.10
  4. Step 4: Simplify right side
    648,865.26x = 194,254,271,146.62
  5. Step 5: Solve for x
    x = 194,254,271,146.62/648,865.26
  6. Step 6: Final answer
    x = 299,375.36

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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.