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Finding the Fourth Proportional to 368,483.46, 551,839.44 and 210,232.14

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Solution

The fourth proportional to 368,483.46, 551,839.44 and 210,232.14 is: 314,842.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,483.46 : 551,839.44 = 210,232.14 : x
  2. Step 2: Convert to fraction form
    368,483.46/551,839.44 = 210,232.14/x
  3. Step 3: Cross multiply
    368,483.46x = 551,839.44 × 210,232.14
  4. Step 4: Simplify right side
    368,483.46x = 116,014,386,407.60
  5. Step 5: Solve for x
    x = 116,014,386,407.60/368,483.46
  6. Step 6: Final answer
    x = 314,842.86

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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.