Finding the Fourth Proportional to 429,772.41, 644,437.11 and 192,912.06
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Solution
The fourth proportional to 429,772.41, 644,437.11 and 192,912.06 is: 289,268.66
Step by Step Solution
- Step 1: Write the proportion equation
429,772.41 : 644,437.11 = 192,912.06 : x - Step 2: Convert to fraction form
429,772.41/644,437.11 = 192,912.06/x - Step 3: Cross multiply
429,772.41x = 644,437.11 × 192,912.06 - Step 4: Simplify right side
429,772.41x = 124,319,690,430.55 - Step 5: Solve for x
x = 124,319,690,430.55/429,772.41 - Step 6: Final answer
x = 289,268.66
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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.