Finding the Fourth Proportional to 151,864.17, 209,574.78 and 88,201.98
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Solution
The fourth proportional to 151,864.17, 209,574.78 and 88,201.98 is: 121,720.02
Step by Step Solution
- Step 1: Write the proportion equation
151,864.17 : 209,574.78 = 88,201.98 : x - Step 2: Convert to fraction form
151,864.17/209,574.78 = 88,201.98/x - Step 3: Cross multiply
151,864.17x = 209,574.78 × 88,201.98 - Step 4: Simplify right side
151,864.17x = 18,484,910,554.06 - Step 5: Solve for x
x = 18,484,910,554.06/151,864.17 - Step 6: Final answer
x = 121,720.02
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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.