Finding the Fourth Proportional to 251,427.54, 346,982.47 and 155,964.99
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Solution
The fourth proportional to 251,427.54, 346,982.47 and 155,964.99 is: 215,239.42
Step by Step Solution
- Step 1: Write the proportion equation
251,427.54 : 346,982.47 = 155,964.99 : x - Step 2: Convert to fraction form
251,427.54/346,982.47 = 155,964.99/x - Step 3: Cross multiply
251,427.54x = 346,982.47 × 155,964.99 - Step 4: Simplify right side
251,427.54x = 54,117,117,463.73 - Step 5: Solve for x
x = 54,117,117,463.73/251,427.54 - Step 6: Final answer
x = 215,239.42
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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.