Finding the Fourth Proportional to 348,053.80, 522,080.70 and 306,581.80
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Solution
The fourth proportional to 348,053.80, 522,080.70 and 306,581.80 is: 459,872.70
Step by Step Solution
- Step 1: Write the proportion equation
348,053.80 : 522,080.70 = 306,581.80 : x - Step 2: Convert to fraction form
348,053.80/522,080.70 = 306,581.80/x - Step 3: Cross multiply
348,053.80x = 522,080.70 × 306,581.80 - Step 4: Simplify right side
348,053.80x = 160,060,440,751.26 - Step 5: Solve for x
x = 160,060,440,751.26/348,053.80 - Step 6: Final answer
x = 459,872.70
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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.