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Finding the Fourth Proportional to 397,113.40, 595,670.10 and 228,568.60

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Solution

The fourth proportional to 397,113.40, 595,670.10 and 228,568.60 is: 342,852.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,113.40 : 595,670.10 = 228,568.60 : x
  2. Step 2: Convert to fraction form
    397,113.40/595,670.10 = 228,568.60/x
  3. Step 3: Cross multiply
    397,113.40x = 595,670.10 × 228,568.60
  4. Step 4: Simplify right side
    397,113.40x = 136,151,480,818.86
  5. Step 5: Solve for x
    x = 136,151,480,818.86/397,113.40
  6. Step 6: Final answer
    x = 342,852.90

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.