Finding the Fourth Proportional to 212,551.68, 293,319.37 and 117,056.32
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Solution
The fourth proportional to 212,551.68, 293,319.37 and 117,056.32 is: 161,536.65
Step by Step Solution
- Step 1: Write the proportion equation
212,551.68 : 293,319.37 = 117,056.32 : x - Step 2: Convert to fraction form
212,551.68/293,319.37 = 117,056.32/x - Step 3: Cross multiply
212,551.68x = 293,319.37 × 117,056.32 - Step 4: Simplify right side
212,551.68x = 34,334,886,036.92 - Step 5: Solve for x
x = 34,334,886,036.92/212,551.68 - Step 6: Final answer
x = 161,536.65
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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.