Finding the Fourth Proportional to 305,494.24, 421,570.88 and 169,534.12
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Solution
The fourth proportional to 305,494.24, 421,570.88 and 169,534.12 is: 233,950.89
Step by Step Solution
- Step 1: Write the proportion equation
305,494.24 : 421,570.88 = 169,534.12 : x - Step 2: Convert to fraction form
305,494.24/421,570.88 = 169,534.12/x - Step 3: Cross multiply
305,494.24x = 421,570.88 × 169,534.12 - Step 4: Simplify right side
305,494.24x = 71,470,648,158.43 - Step 5: Solve for x
x = 71,470,648,158.43/305,494.24 - Step 6: Final answer
x = 233,950.89
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.