Home / 268,746.48-370,205.64-230,380.56

Finding the Fourth Proportional to 268,746.48, 370,205.64 and 230,380.56

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Solution

The fourth proportional to 268,746.48, 370,205.64 and 230,380.56 is: 317,355.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,746.48 : 370,205.64 = 230,380.56 : x
  2. Step 2: Convert to fraction form
    268,746.48/370,205.64 = 230,380.56/x
  3. Step 3: Cross multiply
    268,746.48x = 370,205.64 × 230,380.56
  4. Step 4: Simplify right side
    268,746.48x = 85,288,182,658.36
  5. Step 5: Solve for x
    x = 85,288,182,658.36/268,746.48
  6. Step 6: Final answer
    x = 317,355.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.