Finding the Fourth Proportional to 486,089.12, 729,168.72 and 186,569.70
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Solution
The fourth proportional to 486,089.12, 729,168.72 and 186,569.70 is: 279,868.00
Step by Step Solution
- Step 1: Write the proportion equation
486,089.12 : 729,168.72 = 186,569.70 : x - Step 2: Convert to fraction form
486,089.12/729,168.72 = 186,569.70/x - Step 3: Cross multiply
486,089.12x = 729,168.72 × 186,569.70 - Step 4: Simplify right side
486,089.12x = 136,040,792,074.17 - Step 5: Solve for x
x = 136,040,792,074.17/486,089.12 - Step 6: Final answer
x = 279,868.00
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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.