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Finding the Fourth Proportional to 550,474.56, 825,513.66 and 190,547.60

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Solution

The fourth proportional to 550,474.56, 825,513.66 and 190,547.60 is: 285,752.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,474.56 : 825,513.66 = 190,547.60 : x
  2. Step 2: Convert to fraction form
    550,474.56/825,513.66 = 190,547.60/x
  3. Step 3: Cross multiply
    550,474.56x = 825,513.66 × 190,547.60
  4. Step 4: Simplify right side
    550,474.56x = 157,299,646,680.22
  5. Step 5: Solve for x
    x = 157,299,646,680.22/550,474.56
  6. Step 6: Final answer
    x = 285,752.80

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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.