Finding the Fourth Proportional to 298,737.16, 412,068.92 and 177,788.14
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Solution
The fourth proportional to 298,737.16, 412,068.92 and 177,788.14 is: 245,235.53
Step by Step Solution
- Step 1: Write the proportion equation
298,737.16 : 412,068.92 = 177,788.14 : x - Step 2: Convert to fraction form
298,737.16/412,068.92 = 177,788.14/x - Step 3: Cross multiply
298,737.16x = 412,068.92 × 177,788.14 - Step 4: Simplify right side
298,737.16x = 73,260,966,838.61 - Step 5: Solve for x
x = 73,260,966,838.61/298,737.16 - Step 6: Final answer
x = 245,235.53
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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.