Finding the Fourth Proportional to 99,230.99, 148,848.91 and 29,112.53
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Solution
The fourth proportional to 99,230.99, 148,848.91 and 29,112.53 is: 43,669.50
Step by Step Solution
- Step 1: Write the proportion equation
99,230.99 : 148,848.91 = 29,112.53 : x - Step 2: Convert to fraction form
99,230.99/148,848.91 = 29,112.53/x - Step 3: Cross multiply
99,230.99x = 148,848.91 × 29,112.53 - Step 4: Simplify right side
99,230.99x = 4,333,367,540.82 - Step 5: Solve for x
x = 4,333,367,540.82/99,230.99 - Step 6: Final answer
x = 43,669.50
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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.