Home / 304,625.60-456,439.02-215,719.44

Finding the Fourth Proportional to 304,625.60, 456,439.02 and 215,719.44

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Solution

The fourth proportional to 304,625.60, 456,439.02 and 215,719.44 is: 323,225.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,625.60 : 456,439.02 = 215,719.44 : x
  2. Step 2: Convert to fraction form
    304,625.60/456,439.02 = 215,719.44/x
  3. Step 3: Cross multiply
    304,625.60x = 456,439.02 × 215,719.44
  4. Step 4: Simplify right side
    304,625.60x = 98,462,769,788.55
  5. Step 5: Solve for x
    x = 98,462,769,788.55/304,625.60
  6. Step 6: Final answer
    x = 323,225.53

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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.