Finding the Fourth Proportional to 201,809.44, 278,206.12 and 141,192.28
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Solution
The fourth proportional to 201,809.44, 278,206.12 and 141,192.28 is: 194,641.82
Step by Step Solution
- Step 1: Write the proportion equation
201,809.44 : 278,206.12 = 141,192.28 : x - Step 2: Convert to fraction form
201,809.44/278,206.12 = 141,192.28/x - Step 3: Cross multiply
201,809.44x = 278,206.12 × 141,192.28 - Step 4: Simplify right side
201,809.44x = 39,280,556,392.75 - Step 5: Solve for x
x = 39,280,556,392.75/201,809.44 - Step 6: Final answer
x = 194,641.82
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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.