Finding the Fourth Proportional to 445,724.19, 668,684.63 and 165,241.44
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Solution
The fourth proportional to 445,724.19, 668,684.63 and 165,241.44 is: 247,898.62
Step by Step Solution
- Step 1: Write the proportion equation
445,724.19 : 668,684.63 = 165,241.44 : x - Step 2: Convert to fraction form
445,724.19/668,684.63 = 165,241.44/x - Step 3: Cross multiply
445,724.19x = 668,684.63 × 165,241.44 - Step 4: Simplify right side
445,724.19x = 110,494,411,580.17 - Step 5: Solve for x
x = 110,494,411,580.17/445,724.19 - Step 6: Final answer
x = 247,898.62
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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.