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Finding the Fourth Proportional to 296,403.40, 444,896.70 and 146,812.60

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Solution

The fourth proportional to 296,403.40, 444,896.70 and 146,812.60 is: 220,363.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,403.40 : 444,896.70 = 146,812.60 : x
  2. Step 2: Convert to fraction form
    296,403.40/444,896.70 = 146,812.60/x
  3. Step 3: Cross multiply
    296,403.40x = 444,896.70 × 146,812.60
  4. Step 4: Simplify right side
    296,403.40x = 65,316,441,258.42
  5. Step 5: Solve for x
    x = 65,316,441,258.42/296,403.40
  6. Step 6: Final answer
    x = 220,363.33

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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.