Finding the Fourth Proportional to 346,933.26, 520,476.44 and 147,424.19
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Solution
The fourth proportional to 346,933.26, 520,476.44 and 147,424.19 is: 221,168.80
Step by Step Solution
- Step 1: Write the proportion equation
346,933.26 : 520,476.44 = 147,424.19 : x - Step 2: Convert to fraction form
346,933.26/520,476.44 = 147,424.19/x - Step 3: Cross multiply
346,933.26x = 520,476.44 × 147,424.19 - Step 4: Simplify right side
346,933.26x = 76,730,814,241.58 - Step 5: Solve for x
x = 76,730,814,241.58/346,933.26 - Step 6: Final answer
x = 221,168.80
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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.