Finding the Fourth Proportional to 144,448.77, 216,495.68 and 81,135.80
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Solution
The fourth proportional to 144,448.77, 216,495.68 and 81,135.80 is: 121,604.00
Step by Step Solution
- Step 1: Write the proportion equation
144,448.77 : 216,495.68 = 81,135.80 : x - Step 2: Convert to fraction form
144,448.77/216,495.68 = 81,135.80/x - Step 3: Cross multiply
144,448.77x = 216,495.68 × 81,135.80 - Step 4: Simplify right side
144,448.77x = 17,565,548,705.19 - Step 5: Solve for x
x = 17,565,548,705.19/144,448.77 - Step 6: Final answer
x = 121,604.00
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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.