Finding the Fourth Proportional to 701,989.50, 1,053,115.50 and 281,298.18
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Solution
The fourth proportional to 701,989.50, 1,053,115.50 and 281,298.18 is: 421,999.86
Step by Step Solution
- Step 1: Write the proportion equation
701,989.50 : 1,053,115.50 = 281,298.18 : x - Step 2: Convert to fraction form
701,989.50/1,053,115.50 = 281,298.18/x - Step 3: Cross multiply
701,989.50x = 1,053,115.50 × 281,298.18 - Step 4: Simplify right side
701,989.50x = 296,239,473,479.79 - Step 5: Solve for x
x = 296,239,473,479.79/701,989.50 - Step 6: Final answer
x = 421,999.86
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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.