Home / 220,442.36-330,630.73-70,667.08

Finding the Fourth Proportional to 220,442.36, 330,630.73 and 70,667.08

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Solution

The fourth proportional to 220,442.36, 330,630.73 and 70,667.08 is: 105,990.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,442.36 : 330,630.73 = 70,667.08 : x
  2. Step 2: Convert to fraction form
    220,442.36/330,630.73 = 70,667.08/x
  3. Step 3: Cross multiply
    220,442.36x = 330,630.73 × 70,667.08
  4. Step 4: Simplify right side
    220,442.36x = 23,364,707,244.12
  5. Step 5: Solve for x
    x = 23,364,707,244.12/220,442.36
  6. Step 6: Final answer
    x = 105,990.10

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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.