Finding the Fourth Proportional to 312,670.74, 466,742.09 and 274,837.26
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Solution
The fourth proportional to 312,670.74, 466,742.09 and 274,837.26 is: 410,265.81
Step by Step Solution
- Step 1: Write the proportion equation
312,670.74 : 466,742.09 = 274,837.26 : x - Step 2: Convert to fraction form
312,670.74/466,742.09 = 274,837.26/x - Step 3: Cross multiply
312,670.74x = 466,742.09 × 274,837.26 - Step 4: Simplify right side
312,670.74x = 128,278,115,768.09 - Step 5: Solve for x
x = 128,278,115,768.09/312,670.74 - Step 6: Final answer
x = 410,265.81
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.