Finding the Fourth Proportional to 212,519.25, 293,276.58 and 117,025.74
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Solution
The fourth proportional to 212,519.25, 293,276.58 and 117,025.74 is: 161,495.53
Step by Step Solution
- Step 1: Write the proportion equation
212,519.25 : 293,276.58 = 117,025.74 : x - Step 2: Convert to fraction form
212,519.25/293,276.58 = 117,025.74/x - Step 3: Cross multiply
212,519.25x = 293,276.58 × 117,025.74 - Step 4: Simplify right side
212,519.25x = 34,320,908,799.17 - Step 5: Solve for x
x = 34,320,908,799.17/212,519.25 - Step 6: Final answer
x = 161,495.53
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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.