Finding the Fourth Proportional to 196,661.84, 271,392.84 and 107,237.84
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Solution
The fourth proportional to 196,661.84, 271,392.84 and 107,237.84 is: 147,987.95
Step by Step Solution
- Step 1: Write the proportion equation
196,661.84 : 271,392.84 = 107,237.84 : x - Step 2: Convert to fraction form
196,661.84/271,392.84 = 107,237.84/x - Step 3: Cross multiply
196,661.84x = 271,392.84 × 107,237.84 - Step 4: Simplify right side
196,661.84x = 29,103,581,953.07 - Step 5: Solve for x
x = 29,103,581,953.07/196,661.84 - Step 6: Final answer
x = 147,987.95
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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.