Finding the Fourth Proportional to 554,157.42, 831,236.09 and 254,889.70
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Solution
The fourth proportional to 554,157.42, 831,236.09 and 254,889.70 is: 382,334.53
Step by Step Solution
- Step 1: Write the proportion equation
554,157.42 : 831,236.09 = 254,889.70 : x - Step 2: Convert to fraction form
554,157.42/831,236.09 = 254,889.70/x - Step 3: Cross multiply
554,157.42x = 831,236.09 × 254,889.70 - Step 4: Simplify right side
554,157.42x = 211,873,514,256.73 - Step 5: Solve for x
x = 211,873,514,256.73/554,157.42 - Step 6: Final answer
x = 382,334.53
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1.5x scale
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.