Finding the Fourth Proportional to 328,894.60, 493,039.50 and 118,481.08
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Solution
The fourth proportional to 328,894.60, 493,039.50 and 118,481.08 is: 177,612.68
Step by Step Solution
- Step 1: Write the proportion equation
328,894.60 : 493,039.50 = 118,481.08 : x - Step 2: Convert to fraction form
328,894.60/493,039.50 = 118,481.08/x - Step 3: Cross multiply
328,894.60x = 493,039.50 × 118,481.08 - Step 4: Simplify right side
328,894.60x = 58,415,852,442.66 - Step 5: Solve for x
x = 58,415,852,442.66/328,894.60 - Step 6: Final answer
x = 177,612.68
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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.