Finding the Fourth Proportional to 144,367.16, 216,574.09 and 44,503.99
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Solution
The fourth proportional to 144,367.16, 216,574.09 and 44,503.99 is: 66,763.18
Step by Step Solution
- Step 1: Write the proportion equation
144,367.16 : 216,574.09 = 44,503.99 : x - Step 2: Convert to fraction form
144,367.16/216,574.09 = 44,503.99/x - Step 3: Cross multiply
144,367.16x = 216,574.09 × 44,503.99 - Step 4: Simplify right side
144,367.16x = 9,638,411,135.62 - Step 5: Solve for x
x = 9,638,411,135.62/144,367.16 - Step 6: Final answer
x = 66,763.18
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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.