Home / 289,862.01-434,822.85-100,322.15

Finding the Fourth Proportional to 289,862.01, 434,822.85 and 100,322.15

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Solution

The fourth proportional to 289,862.01, 434,822.85 and 100,322.15 is: 150,493.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,862.01 : 434,822.85 = 100,322.15 : x
  2. Step 2: Convert to fraction form
    289,862.01/434,822.85 = 100,322.15/x
  3. Step 3: Cross multiply
    289,862.01x = 434,822.85 × 100,322.15
  4. Step 4: Simplify right side
    289,862.01x = 43,622,361,007.01
  5. Step 5: Solve for x
    x = 43,622,361,007.01/289,862.01
  6. Step 6: Final answer
    x = 150,493.54

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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.