Finding the Fourth Proportional to 212,513.50, 293,268.63 and 117,019.99
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Solution
The fourth proportional to 212,513.50, 293,268.63 and 117,019.99 is: 161,487.59
Step by Step Solution
- Step 1: Write the proportion equation
212,513.50 : 293,268.63 = 117,019.99 : x - Step 2: Convert to fraction form
212,513.50/293,268.63 = 117,019.99/x - Step 3: Cross multiply
212,513.50x = 293,268.63 × 117,019.99 - Step 4: Simplify right side
212,513.50x = 34,318,292,149.91 - Step 5: Solve for x
x = 34,318,292,149.91/212,513.50 - Step 6: Final answer
x = 161,487.59
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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.