Home / 805,373.24-1,208,031.90-206,339.36

Finding the Fourth Proportional to 805,373.24, 1,208,031.90 and 206,339.36

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Solution

The fourth proportional to 805,373.24, 1,208,031.90 and 206,339.36 is: 309,501.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,373.24 : 1,208,031.90 = 206,339.36 : x
  2. Step 2: Convert to fraction form
    805,373.24/1,208,031.90 = 206,339.36/x
  3. Step 3: Cross multiply
    805,373.24x = 1,208,031.90 × 206,339.36
  4. Step 4: Simplify right side
    805,373.24x = 249,264,529,105.58
  5. Step 5: Solve for x
    x = 249,264,529,105.58/805,373.24
  6. Step 6: Final answer
    x = 309,501.88

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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.