Finding the Fourth Proportional to 212,733.24, 293,558.58 and 117,240.62
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Solution
The fourth proportional to 212,733.24, 293,558.58 and 117,240.62 is: 161,784.73
Step by Step Solution
- Step 1: Write the proportion equation
212,733.24 : 293,558.58 = 117,240.62 : x - Step 2: Convert to fraction form
212,733.24/293,558.58 = 117,240.62/x - Step 3: Cross multiply
212,733.24x = 293,558.58 × 117,240.62 - Step 4: Simplify right side
212,733.24x = 34,416,988,457.73 - Step 5: Solve for x
x = 34,416,988,457.73/212,733.24 - Step 6: Final answer
x = 161,784.73
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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.