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Finding the Fourth Proportional to 285,211.25, 393,777.21 and 183,275.99

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Solution

The fourth proportional to 285,211.25, 393,777.21 and 183,275.99 is: 253,040.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,211.25 : 393,777.21 = 183,275.99 : x
  2. Step 2: Convert to fraction form
    285,211.25/393,777.21 = 183,275.99/x
  3. Step 3: Cross multiply
    285,211.25x = 393,777.21 × 183,275.99
  4. Step 4: Simplify right side
    285,211.25x = 72,169,905,116.92
  5. Step 5: Solve for x
    x = 72,169,905,116.92/285,211.25
  6. Step 6: Final answer
    x = 253,040.18

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