Finding the Fourth Proportional to 245,628.10, 368,442.16 and 68,135.12
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Solution
The fourth proportional to 245,628.10, 368,442.16 and 68,135.12 is: 102,202.68
Step by Step Solution
- Step 1: Write the proportion equation
245,628.10 : 368,442.16 = 68,135.12 : x - Step 2: Convert to fraction form
245,628.10/368,442.16 = 68,135.12/x - Step 3: Cross multiply
245,628.10x = 368,442.16 × 68,135.12 - Step 4: Simplify right side
245,628.10x = 25,103,850,784.66 - Step 5: Solve for x
x = 25,103,850,784.66/245,628.10 - Step 6: Final answer
x = 102,202.68
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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.