Home / 619,515.98-929,274.02-220,172.51

Finding the Fourth Proportional to 619,515.98, 929,274.02 and 220,172.51

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Solution

The fourth proportional to 619,515.98, 929,274.02 and 220,172.51 is: 330,258.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,515.98 : 929,274.02 = 220,172.51 : x
  2. Step 2: Convert to fraction form
    619,515.98/929,274.02 = 220,172.51/x
  3. Step 3: Cross multiply
    619,515.98x = 929,274.02 × 220,172.51
  4. Step 4: Simplify right side
    619,515.98x = 204,600,595,509.16
  5. Step 5: Solve for x
    x = 204,600,595,509.16/619,515.98
  6. Step 6: Final answer
    x = 330,258.79

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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.