Finding the Fourth Proportional to 212,782.48, 293,652.96 and 117,288.96
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Solution
The fourth proportional to 212,782.48, 293,652.96 and 117,288.96 is: 161,866.01
Step by Step Solution
- Step 1: Write the proportion equation
212,782.48 : 293,652.96 = 117,288.96 : x - Step 2: Convert to fraction form
212,782.48/293,652.96 = 117,288.96/x - Step 3: Cross multiply
212,782.48x = 293,652.96 × 117,288.96 - Step 4: Simplify right side
212,782.48x = 34,442,250,279.32 - Step 5: Solve for x
x = 34,442,250,279.32/212,782.48 - Step 6: Final answer
x = 161,866.01
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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.