Finding the Fourth Proportional to 451,920.06, 623,649.24 and 247,972.14
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Solution
The fourth proportional to 451,920.06, 623,649.24 and 247,972.14 is: 342,201.31
Step by Step Solution
- Step 1: Write the proportion equation
451,920.06 : 623,649.24 = 247,972.14 : x - Step 2: Convert to fraction form
451,920.06/623,649.24 = 247,972.14/x - Step 3: Cross multiply
451,920.06x = 623,649.24 × 247,972.14 - Step 4: Simplify right side
451,920.06x = 154,647,636,652.17 - Step 5: Solve for x
x = 154,647,636,652.17/451,920.06 - Step 6: Final answer
x = 342,201.31
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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.