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Finding the Fourth Proportional to 608,403.54, 911,961.75 and 229,160.17

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Solution

The fourth proportional to 608,403.54, 911,961.75 and 229,160.17 is: 343,497.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,403.54 : 911,961.75 = 229,160.17 : x
  2. Step 2: Convert to fraction form
    608,403.54/911,961.75 = 229,160.17/x
  3. Step 3: Cross multiply
    608,403.54x = 911,961.75 × 229,160.17
  4. Step 4: Simplify right side
    608,403.54x = 208,985,309,663.50
  5. Step 5: Solve for x
    x = 208,985,309,663.50/608,403.54
  6. Step 6: Final answer
    x = 343,497.85

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1.5x scale

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.