Finding the Fourth Proportional to 214,159.48, 295,539.42 and 138,838.84
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Solution
The fourth proportional to 214,159.48, 295,539.42 and 138,838.84 is: 191,597.17
Step by Step Solution
- Step 1: Write the proportion equation
214,159.48 : 295,539.42 = 138,838.84 : x - Step 2: Convert to fraction form
214,159.48/295,539.42 = 138,838.84/x - Step 3: Cross multiply
214,159.48x = 295,539.42 × 138,838.84 - Step 4: Simplify right side
214,159.48x = 41,032,350,247.07 - Step 5: Solve for x
x = 41,032,350,247.07/214,159.48 - Step 6: Final answer
x = 191,597.17
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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.