Finding the Fourth Proportional to 247,221.42, 341,221.24 and 145,279.62
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Solution
The fourth proportional to 247,221.42, 341,221.24 and 145,279.62 is: 200,518.60
Step by Step Solution
- Step 1: Write the proportion equation
247,221.42 : 341,221.24 = 145,279.62 : x - Step 2: Convert to fraction form
247,221.42/341,221.24 = 145,279.62/x - Step 3: Cross multiply
247,221.42x = 341,221.24 × 145,279.62 - Step 4: Simplify right side
247,221.42x = 49,572,492,083.13 - Step 5: Solve for x
x = 49,572,492,083.13/247,221.42 - Step 6: Final answer
x = 200,518.60
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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.