Home / 389,650.47-583,959.01-200,103.18

Finding the Fourth Proportional to 389,650.47, 583,959.01 and 200,103.18

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Solution

The fourth proportional to 389,650.47, 583,959.01 and 200,103.18 is: 299,889.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,650.47 : 583,959.01 = 200,103.18 : x
  2. Step 2: Convert to fraction form
    389,650.47/583,959.01 = 200,103.18/x
  3. Step 3: Cross multiply
    389,650.47x = 583,959.01 × 200,103.18
  4. Step 4: Simplify right side
    389,650.47x = 116,852,054,890.65
  5. Step 5: Solve for x
    x = 116,852,054,890.65/389,650.47
  6. Step 6: Final answer
    x = 299,889.42

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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.