Finding the Fourth Proportional to 212,572.79, 293,350.44 and 117,079.48
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Solution
The fourth proportional to 212,572.79, 293,350.44 and 117,079.48 is: 161,569.68
Step by Step Solution
- Step 1: Write the proportion equation
212,572.79 : 293,350.44 = 117,079.48 : x - Step 2: Convert to fraction form
212,572.79/293,350.44 = 117,079.48/x - Step 3: Cross multiply
212,572.79x = 293,350.44 × 117,079.48 - Step 4: Simplify right side
212,572.79x = 34,345,316,239.60 - Step 5: Solve for x
x = 34,345,316,239.60/212,572.79 - Step 6: Final answer
x = 161,569.68
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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.