Finding the Fourth Proportional to 201,191.24, 277,539.80 and 136,663.80
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Solution
The fourth proportional to 201,191.24, 277,539.80 and 136,663.80 is: 188,525.32
Step by Step Solution
- Step 1: Write the proportion equation
201,191.24 : 277,539.80 = 136,663.80 : x - Step 2: Convert to fraction form
201,191.24/277,539.80 = 136,663.80/x - Step 3: Cross multiply
201,191.24x = 277,539.80 × 136,663.80 - Step 4: Simplify right side
201,191.24x = 37,929,643,719.24 - Step 5: Solve for x
x = 37,929,643,719.24/201,191.24 - Step 6: Final answer
x = 188,525.32
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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.