Finding the Fourth Proportional to 99,482.31, 149,204.03 and 29,342.79
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Solution
The fourth proportional to 99,482.31, 149,204.03 and 29,342.79 is: 44,008.45
Step by Step Solution
- Step 1: Write the proportion equation
99,482.31 : 149,204.03 = 29,342.79 : x - Step 2: Convert to fraction form
99,482.31/149,204.03 = 29,342.79/x - Step 3: Cross multiply
99,482.31x = 149,204.03 × 29,342.79 - Step 4: Simplify right side
99,482.31x = 4,378,062,372.73 - Step 5: Solve for x
x = 4,378,062,372.73/99,482.31 - Step 6: Final answer
x = 44,008.45
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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.