Finding the Fourth Proportional to 357,791.95, 493,761.95 and 196,651.09
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Solution
The fourth proportional to 357,791.95, 493,761.95 and 196,651.09 is: 271,383.48
Step by Step Solution
- Step 1: Write the proportion equation
357,791.95 : 493,761.95 = 196,651.09 : x - Step 2: Convert to fraction form
357,791.95/493,761.95 = 196,651.09/x - Step 3: Cross multiply
357,791.95x = 493,761.95 × 196,651.09 - Step 4: Simplify right side
357,791.95x = 97,098,824,684.77 - Step 5: Solve for x
x = 97,098,824,684.77/357,791.95 - Step 6: Final answer
x = 271,383.48
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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.