Finding the Fourth Proportional to 143,428.08, 197,793.36 and 94,953.24
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Solution
The fourth proportional to 143,428.08, 197,793.36 and 94,953.24 is: 130,944.52
Step by Step Solution
- Step 1: Write the proportion equation
143,428.08 : 197,793.36 = 94,953.24 : x - Step 2: Convert to fraction form
143,428.08/197,793.36 = 94,953.24/x - Step 3: Cross multiply
143,428.08x = 197,793.36 × 94,953.24 - Step 4: Simplify right side
143,428.08x = 18,781,120,382.49 - Step 5: Solve for x
x = 18,781,120,382.49/143,428.08 - Step 6: Final answer
x = 130,944.52
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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.