Home / 381,287.02-571,930.55-100,804.30

Finding the Fourth Proportional to 381,287.02, 571,930.55 and 100,804.30

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Solution

The fourth proportional to 381,287.02, 571,930.55 and 100,804.30 is: 151,206.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,287.02 : 571,930.55 = 100,804.30 : x
  2. Step 2: Convert to fraction form
    381,287.02/571,930.55 = 100,804.30/x
  3. Step 3: Cross multiply
    381,287.02x = 571,930.55 × 100,804.30
  4. Step 4: Simplify right side
    381,287.02x = 57,653,058,741.37
  5. Step 5: Solve for x
    x = 57,653,058,741.37/381,287.02
  6. Step 6: Final answer
    x = 151,206.46

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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.