Finding the Fourth Proportional to 144,894.24, 199,952.28 and 81,230.70
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Solution
The fourth proportional to 144,894.24, 199,952.28 and 81,230.70 is: 112,097.37
Step by Step Solution
- Step 1: Write the proportion equation
144,894.24 : 199,952.28 = 81,230.70 : x - Step 2: Convert to fraction form
144,894.24/199,952.28 = 81,230.70/x - Step 3: Cross multiply
144,894.24x = 199,952.28 × 81,230.70 - Step 4: Simplify right side
144,894.24x = 16,242,263,671.00 - Step 5: Solve for x
x = 16,242,263,671.00/144,894.24 - Step 6: Final answer
x = 112,097.37
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.