Finding the Fourth Proportional to 331,444.36, 497,087.70 and 91,552.95
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Solution
The fourth proportional to 331,444.36, 497,087.70 and 91,552.95 is: 137,307.65
Step by Step Solution
- Step 1: Write the proportion equation
331,444.36 : 497,087.70 = 91,552.95 : x - Step 2: Convert to fraction form
331,444.36/497,087.70 = 91,552.95/x - Step 3: Cross multiply
331,444.36x = 497,087.70 × 91,552.95 - Step 4: Simplify right side
331,444.36x = 45,509,845,343.72 - Step 5: Solve for x
x = 45,509,845,343.72/331,444.36 - Step 6: Final answer
x = 137,307.65
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.