Finding the Fourth Proportional to 281,325.99, 388,410.93 and 251,059.32
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Solution
The fourth proportional to 281,325.99, 388,410.93 and 251,059.32 is: 346,623.45
Step by Step Solution
- Step 1: Write the proportion equation
281,325.99 : 388,410.93 = 251,059.32 : x - Step 2: Convert to fraction form
281,325.99/388,410.93 = 251,059.32/x - Step 3: Cross multiply
281,325.99x = 388,410.93 × 251,059.32 - Step 4: Simplify right side
281,325.99x = 97,514,183,966.37 - Step 5: Solve for x
x = 97,514,183,966.37/281,325.99 - Step 6: Final answer
x = 346,623.45
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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.