Finding the Fourth Proportional to 99,306.47, 148,959.78 and 29,234.99
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Solution
The fourth proportional to 99,306.47, 148,959.78 and 29,234.99 is: 43,852.51
Step by Step Solution
- Step 1: Write the proportion equation
99,306.47 : 148,959.78 = 29,234.99 : x - Step 2: Convert to fraction form
99,306.47/148,959.78 = 29,234.99/x - Step 3: Cross multiply
99,306.47x = 148,959.78 × 29,234.99 - Step 4: Simplify right side
99,306.47x = 4,354,837,941.47 - Step 5: Solve for x
x = 4,354,837,941.47/99,306.47 - Step 6: Final answer
x = 43,852.51
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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.