Finding the Fourth Proportional to 215,312.68, 297,129.36 and 119,817.73
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Solution
The fourth proportional to 215,312.68, 297,129.36 and 119,817.73 is: 165,347.28
Step by Step Solution
- Step 1: Write the proportion equation
215,312.68 : 297,129.36 = 119,817.73 : x - Step 2: Convert to fraction form
215,312.68/297,129.36 = 119,817.73/x - Step 3: Cross multiply
215,312.68x = 297,129.36 × 119,817.73 - Step 4: Simplify right side
215,312.68x = 35,601,365,431.55 - Step 5: Solve for x
x = 35,601,365,431.55/215,312.68 - Step 6: Final answer
x = 165,347.28
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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.