Home / 285,844.02-428,769.66-108,303.34

Finding the Fourth Proportional to 285,844.02, 428,769.66 and 108,303.34

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Solution

The fourth proportional to 285,844.02, 428,769.66 and 108,303.34 is: 162,456.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,844.02 : 428,769.66 = 108,303.34 : x
  2. Step 2: Convert to fraction form
    285,844.02/428,769.66 = 108,303.34/x
  3. Step 3: Cross multiply
    285,844.02x = 428,769.66 × 108,303.34
  4. Step 4: Simplify right side
    285,844.02x = 46,437,186,268.66
  5. Step 5: Solve for x
    x = 46,437,186,268.66/285,844.02
  6. Step 6: Final answer
    x = 162,456.39

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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.