Finding the Fourth Proportional to 212,551.62, 293,319.03 and 117,056.28
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Solution
The fourth proportional to 212,551.62, 293,319.03 and 117,056.28 is: 161,536.45
Step by Step Solution
- Step 1: Write the proportion equation
212,551.62 : 293,319.03 = 117,056.28 : x - Step 2: Convert to fraction form
212,551.62/293,319.03 = 117,056.28/x - Step 3: Cross multiply
212,551.62x = 293,319.03 × 117,056.28 - Step 4: Simplify right side
212,551.62x = 34,334,834,505.01 - Step 5: Solve for x
x = 34,334,834,505.01/212,551.62 - Step 6: Final answer
x = 161,536.45
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1.5x scale
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.