Home / 220,484.28-330,563.61-70,637.88

Finding the Fourth Proportional to 220,484.28, 330,563.61 and 70,637.88

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Solution

The fourth proportional to 220,484.28, 330,563.61 and 70,637.88 is: 105,904.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,484.28 : 330,563.61 = 70,637.88 : x
  2. Step 2: Convert to fraction form
    220,484.28/330,563.61 = 70,637.88/x
  3. Step 3: Cross multiply
    220,484.28x = 330,563.61 × 70,637.88
  4. Step 4: Simplify right side
    220,484.28x = 23,350,312,615.55
  5. Step 5: Solve for x
    x = 23,350,312,615.55/220,484.28
  6. Step 6: Final answer
    x = 105,904.66

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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.