Finding the Fourth Proportional to 154,864.36, 232,139.70 and 104,949.52
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Solution
The fourth proportional to 154,864.36, 232,139.70 and 104,949.52 is: 157,317.99
Step by Step Solution
- Step 1: Write the proportion equation
154,864.36 : 232,139.70 = 104,949.52 : x - Step 2: Convert to fraction form
154,864.36/232,139.70 = 104,949.52/x - Step 3: Cross multiply
154,864.36x = 232,139.70 × 104,949.52 - Step 4: Simplify right side
154,864.36x = 24,362,950,087.94 - Step 5: Solve for x
x = 24,362,950,087.94/154,864.36 - Step 6: Final answer
x = 157,317.99
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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.