Finding the Fourth Proportional to 413,724.94, 620,587.42 and 133,242.19
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Solution
The fourth proportional to 413,724.94, 620,587.42 and 133,242.19 is: 199,863.28
Step by Step Solution
- Step 1: Write the proportion equation
413,724.94 : 620,587.42 = 133,242.19 : x - Step 2: Convert to fraction form
413,724.94/620,587.42 = 133,242.19/x - Step 3: Cross multiply
413,724.94x = 620,587.42 × 133,242.19 - Step 4: Simplify right side
413,724.94x = 82,688,425,042.68 - Step 5: Solve for x
x = 82,688,425,042.68/413,724.94 - Step 6: Final answer
x = 199,863.28
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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.