Finding the Fourth Proportional to 342,486.08, 472,623.72 and 189,524.18
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Solution
The fourth proportional to 342,486.08, 472,623.72 and 189,524.18 is: 261,539.45
Step by Step Solution
- Step 1: Write the proportion equation
342,486.08 : 472,623.72 = 189,524.18 : x - Step 2: Convert to fraction form
342,486.08/472,623.72 = 189,524.18/x - Step 3: Cross multiply
342,486.08x = 472,623.72 × 189,524.18 - Step 4: Simplify right side
342,486.08x = 89,573,619,670.81 - Step 5: Solve for x
x = 89,573,619,670.81/342,486.08 - Step 6: Final answer
x = 261,539.45
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.