Finding the Fourth Proportional to 154,937.21, 232,482.35 and 91,754.78
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Solution
The fourth proportional to 154,937.21, 232,482.35 and 91,754.78 is: 137,677.49
Step by Step Solution
- Step 1: Write the proportion equation
154,937.21 : 232,482.35 = 91,754.78 : x - Step 2: Convert to fraction form
154,937.21/232,482.35 = 91,754.78/x - Step 3: Cross multiply
154,937.21x = 232,482.35 × 91,754.78 - Step 4: Simplify right side
154,937.21x = 21,331,365,945.11 - Step 5: Solve for x
x = 21,331,365,945.11/154,937.21 - Step 6: Final answer
x = 137,677.49
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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.