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Finding the Fourth Proportional to 368,483.54, 551,839.56 and 210,232.22

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Solution

The fourth proportional to 368,483.54, 551,839.56 and 210,232.22 is: 314,842.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,483.54 : 551,839.56 = 210,232.22 : x
  2. Step 2: Convert to fraction form
    368,483.54/551,839.56 = 210,232.22/x
  3. Step 3: Cross multiply
    368,483.54x = 551,839.56 × 210,232.22
  4. Step 4: Simplify right side
    368,483.54x = 116,014,454,731.46
  5. Step 5: Solve for x
    x = 116,014,454,731.46/368,483.54
  6. Step 6: Final answer
    x = 314,842.98

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1.5x scale

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.