Finding the Fourth Proportional to 153,215.09, 229,822.64 and 48,042.53
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Solution
The fourth proportional to 153,215.09, 229,822.64 and 48,042.53 is: 72,063.79
Step by Step Solution
- Step 1: Write the proportion equation
153,215.09 : 229,822.64 = 48,042.53 : x - Step 2: Convert to fraction form
153,215.09/229,822.64 = 48,042.53/x - Step 3: Cross multiply
153,215.09x = 229,822.64 × 48,042.53 - Step 4: Simplify right side
153,215.09x = 11,041,259,687.55 - Step 5: Solve for x
x = 11,041,259,687.55/153,215.09 - Step 6: Final answer
x = 72,063.79
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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.