Home / 268,108.58-369,991.17-145,601.34

Finding the Fourth Proportional to 268,108.58, 369,991.17 and 145,601.34

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Solution

The fourth proportional to 268,108.58, 369,991.17 and 145,601.34 is: 200,930.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,108.58 : 369,991.17 = 145,601.34 : x
  2. Step 2: Convert to fraction form
    268,108.58/369,991.17 = 145,601.34/x
  3. Step 3: Cross multiply
    268,108.58x = 369,991.17 × 145,601.34
  4. Step 4: Simplify right side
    268,108.58x = 53,871,210,140.17
  5. Step 5: Solve for x
    x = 53,871,210,140.17/268,108.58
  6. Step 6: Final answer
    x = 200,930.58

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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.