Finding the Fourth Proportional to 211,749.36, 292,219.25 and 114,957.19
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Solution
The fourth proportional to 211,749.36, 292,219.25 and 114,957.19 is: 158,643.71
Step by Step Solution
- Step 1: Write the proportion equation
211,749.36 : 292,219.25 = 114,957.19 : x - Step 2: Convert to fraction form
211,749.36/292,219.25 = 114,957.19/x - Step 3: Cross multiply
211,749.36x = 292,219.25 × 114,957.19 - Step 4: Simplify right side
211,749.36x = 33,592,703,634.40 - Step 5: Solve for x
x = 33,592,703,634.40/211,749.36 - Step 6: Final answer
x = 158,643.71
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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.