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Finding the Fourth Proportional to 554,386.60, 831,336.90 and 254,767.60

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Solution

The fourth proportional to 554,386.60, 831,336.90 and 254,767.60 is: 382,039.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,386.60 : 831,336.90 = 254,767.60 : x
  2. Step 2: Convert to fraction form
    554,386.60/831,336.90 = 254,767.60/x
  3. Step 3: Cross multiply
    554,386.60x = 831,336.90 × 254,767.60
  4. Step 4: Simplify right side
    554,386.60x = 211,797,706,804.44
  5. Step 5: Solve for x
    x = 211,797,706,804.44/554,386.60
  6. Step 6: Final answer
    x = 382,039.73

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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.