Finding the Fourth Proportional to 153,213.99, 229,821.08 and 40,894.67
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Solution
The fourth proportional to 153,213.99, 229,821.08 and 40,894.67 is: 61,342.03
Step by Step Solution
- Step 1: Write the proportion equation
153,213.99 : 229,821.08 = 40,894.67 : x - Step 2: Convert to fraction form
153,213.99/229,821.08 = 40,894.67/x - Step 3: Cross multiply
153,213.99x = 229,821.08 × 40,894.67 - Step 4: Simplify right side
153,213.99x = 9,398,457,225.64 - Step 5: Solve for x
x = 9,398,457,225.64/153,213.99 - Step 6: Final answer
x = 61,342.03
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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.