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Finding the Fourth Proportional to 323,971.60, 485,811.60 and 124,225.60

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Solution

The fourth proportional to 323,971.60, 485,811.60 and 124,225.60 is: 186,282.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,971.60 : 485,811.60 = 124,225.60 : x
  2. Step 2: Convert to fraction form
    323,971.60/485,811.60 = 124,225.60/x
  3. Step 3: Cross multiply
    323,971.60x = 485,811.60 × 124,225.60
  4. Step 4: Simplify right side
    323,971.60x = 60,350,237,496.96
  5. Step 5: Solve for x
    x = 60,350,237,496.96/323,971.60
  6. Step 6: Final answer
    x = 186,282.49

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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.