Finding the Fourth Proportional to 153,049.79, 229,574.36 and 40,729.99
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Solution
The fourth proportional to 153,049.79, 229,574.36 and 40,729.99 is: 61,094.90
Step by Step Solution
- Step 1: Write the proportion equation
153,049.79 : 229,574.36 = 40,729.99 : x - Step 2: Convert to fraction form
153,049.79/229,574.36 = 40,729.99/x - Step 3: Cross multiply
153,049.79x = 229,574.36 × 40,729.99 - Step 4: Simplify right side
153,049.79x = 9,350,561,387.06 - Step 5: Solve for x
x = 9,350,561,387.06/153,049.79 - Step 6: Final answer
x = 61,094.90
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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.