Home / 220,058.28-330,105.06-70,319.70

Finding the Fourth Proportional to 220,058.28, 330,105.06 and 70,319.70

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Solution

The fourth proportional to 220,058.28, 330,105.06 and 70,319.70 is: 105,485.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,058.28 : 330,105.06 = 70,319.70 : x
  2. Step 2: Convert to fraction form
    220,058.28/330,105.06 = 70,319.70/x
  3. Step 3: Cross multiply
    220,058.28x = 330,105.06 × 70,319.70
  4. Step 4: Simplify right side
    220,058.28x = 23,212,888,787.68
  5. Step 5: Solve for x
    x = 23,212,888,787.68/220,058.28
  6. Step 6: Final answer
    x = 105,485.19

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1.5x scale

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.