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Finding the Fourth Proportional to 449,442.02, 620,208.32 and 248,233.70

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Solution

The fourth proportional to 449,442.02, 620,208.32 and 248,233.70 is: 342,550.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,442.02 : 620,208.32 = 248,233.70 : x
  2. Step 2: Convert to fraction form
    449,442.02/620,208.32 = 248,233.70/x
  3. Step 3: Cross multiply
    449,442.02x = 620,208.32 × 248,233.70
  4. Step 4: Simplify right side
    449,442.02x = 153,956,606,044.38
  5. Step 5: Solve for x
    x = 153,956,606,044.38/449,442.02
  6. Step 6: Final answer
    x = 342,550.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.