Home / 250,440.54-345,660.03-230,265.45

Finding the Fourth Proportional to 250,440.54, 345,660.03 and 230,265.45

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Solution

The fourth proportional to 250,440.54, 345,660.03 and 230,265.45 is: 317,814.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,440.54 : 345,660.03 = 230,265.45 : x
  2. Step 2: Convert to fraction form
    250,440.54/345,660.03 = 230,265.45/x
  3. Step 3: Cross multiply
    250,440.54x = 345,660.03 × 230,265.45
  4. Step 4: Simplify right side
    250,440.54x = 79,593,562,354.96
  5. Step 5: Solve for x
    x = 79,593,562,354.96/250,440.54
  6. Step 6: Final answer
    x = 317,814.21

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1.5x scale

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.