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Finding the Fourth Proportional to 608,398.95, 911,954.87 and 229,155.60

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Solution

The fourth proportional to 608,398.95, 911,954.87 and 229,155.60 is: 343,491.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,398.95 : 911,954.87 = 229,155.60 : x
  2. Step 2: Convert to fraction form
    608,398.95/911,954.87 = 229,155.60/x
  3. Step 3: Cross multiply
    608,398.95x = 911,954.87 × 229,155.60
  4. Step 4: Simplify right side
    608,398.95x = 208,979,560,275.11
  5. Step 5: Solve for x
    x = 208,979,560,275.11/608,398.95
  6. Step 6: Final answer
    x = 343,491.00

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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.