Finding the Fourth Proportional to 144,369.15, 216,577.08 and 44,505.99
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Solution
The fourth proportional to 144,369.15, 216,577.08 and 44,505.99 is: 66,766.18
Step by Step Solution
- Step 1: Write the proportion equation
144,369.15 : 216,577.08 = 44,505.99 : x - Step 2: Convert to fraction form
144,369.15/216,577.08 = 44,505.99/x - Step 3: Cross multiply
144,369.15x = 216,577.08 × 44,505.99 - Step 4: Simplify right side
144,369.15x = 9,638,977,356.71 - Step 5: Solve for x
x = 9,638,977,356.71/144,369.15 - Step 6: Final answer
x = 66,766.18
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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.