Finding the Fourth Proportional to 341,402.73, 471,357.68 and 305,531.07
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Solution
The fourth proportional to 341,402.73, 471,357.68 and 305,531.07 is: 421,831.47
Step by Step Solution
- Step 1: Write the proportion equation
341,402.73 : 471,357.68 = 305,531.07 : x - Step 2: Convert to fraction form
341,402.73/471,357.68 = 305,531.07/x - Step 3: Cross multiply
341,402.73x = 471,357.68 × 305,531.07 - Step 4: Simplify right side
341,402.73x = 144,014,414,795.46 - Step 5: Solve for x
x = 144,014,414,795.46/341,402.73 - Step 6: Final answer
x = 421,831.47
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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.