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Finding the Fourth Proportional to 608,185.50, 911,392.50 and 292,273.32

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Solution

The fourth proportional to 608,185.50, 911,392.50 and 292,273.32 is: 437,984.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,185.50 : 911,392.50 = 292,273.32 : x
  2. Step 2: Convert to fraction form
    608,185.50/911,392.50 = 292,273.32/x
  3. Step 3: Cross multiply
    608,185.50x = 911,392.50 × 292,273.32
  4. Step 4: Simplify right side
    608,185.50x = 266,375,711,798.10
  5. Step 5: Solve for x
    x = 266,375,711,798.10/608,185.50
  6. Step 6: Final answer
    x = 437,984.32

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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.