Finding the Fourth Proportional to 407,117.10, 610,675.65 and 306,077.70
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Solution
The fourth proportional to 407,117.10, 610,675.65 and 306,077.70 is: 459,116.55
Step by Step Solution
- Step 1: Write the proportion equation
407,117.10 : 610,675.65 = 306,077.70 : x - Step 2: Convert to fraction form
407,117.10/610,675.65 = 306,077.70/x - Step 3: Cross multiply
407,117.10x = 610,675.65 × 306,077.70 - Step 4: Simplify right side
407,117.10x = 186,914,198,398.01 - Step 5: Solve for x
x = 186,914,198,398.01/407,117.10 - Step 6: Final answer
x = 459,116.55
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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.