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Finding the Fourth Proportional to 298,116.66, 411,464.58 and 183,395.50

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Solution

The fourth proportional to 298,116.66, 411,464.58 and 183,395.50 is: 253,124.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,116.66 : 411,464.58 = 183,395.50 : x
  2. Step 2: Convert to fraction form
    298,116.66/411,464.58 = 183,395.50/x
  3. Step 3: Cross multiply
    298,116.66x = 411,464.58 × 183,395.50
  4. Step 4: Simplify right side
    298,116.66x = 75,460,751,352.73
  5. Step 5: Solve for x
    x = 75,460,751,352.73/298,116.66
  6. Step 6: Final answer
    x = 253,124.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.