Home / 805,372.24-1,208,030.40-206,338.36

Finding the Fourth Proportional to 805,372.24, 1,208,030.40 and 206,338.36

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Solution

The fourth proportional to 805,372.24, 1,208,030.40 and 206,338.36 is: 309,500.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,372.24 : 1,208,030.40 = 206,338.36 : x
  2. Step 2: Convert to fraction form
    805,372.24/1,208,030.40 = 206,338.36/x
  3. Step 3: Cross multiply
    805,372.24x = 1,208,030.40 × 206,338.36
  4. Step 4: Simplify right side
    805,372.24x = 249,263,011,566.14
  5. Step 5: Solve for x
    x = 249,263,011,566.14/805,372.24
  6. Step 6: Final answer
    x = 309,500.38

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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.