Finding the Fourth Proportional to 212,503.20, 293,256.36 and 117,012.12
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Solution
The fourth proportional to 212,503.20, 293,256.36 and 117,012.12 is: 161,477.80
Step by Step Solution
- Step 1: Write the proportion equation
212,503.20 : 293,256.36 = 117,012.12 : x - Step 2: Convert to fraction form
212,503.20/293,256.36 = 117,012.12/x - Step 3: Cross multiply
212,503.20x = 293,256.36 × 117,012.12 - Step 4: Simplify right side
212,503.20x = 34,314,548,387.08 - Step 5: Solve for x
x = 34,314,548,387.08/212,503.20 - Step 6: Final answer
x = 161,477.80
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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.