Finding the Fourth Proportional to 421,851.79, 632,647.29 and 122,354.38
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Solution
The fourth proportional to 421,851.79, 632,647.29 and 122,354.38 is: 183,493.75
Step by Step Solution
- Step 1: Write the proportion equation
421,851.79 : 632,647.29 = 122,354.38 : x - Step 2: Convert to fraction form
421,851.79/632,647.29 = 122,354.38/x - Step 3: Cross multiply
421,851.79x = 632,647.29 × 122,354.38 - Step 4: Simplify right side
421,851.79x = 77,407,166,926.63 - Step 5: Solve for x
x = 77,407,166,926.63/421,851.79 - Step 6: Final answer
x = 183,493.75
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.