Finding the Fourth Proportional to 212,250.60, 292,927.23 and 121,618.53
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Solution
The fourth proportional to 212,250.60, 292,927.23 and 121,618.53 is: 167,845.83
Step by Step Solution
- Step 1: Write the proportion equation
212,250.60 : 292,927.23 = 121,618.53 : x - Step 2: Convert to fraction form
212,250.60/292,927.23 = 121,618.53/x - Step 3: Cross multiply
212,250.60x = 292,927.23 × 121,618.53 - Step 4: Simplify right side
212,250.60x = 35,625,379,109.57 - Step 5: Solve for x
x = 35,625,379,109.57/212,250.60 - Step 6: Final answer
x = 167,845.83
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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.