Finding the Fourth Proportional to 196,868.84, 295,306.50 and 76,934.84
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Solution
The fourth proportional to 196,868.84, 295,306.50 and 76,934.84 is: 115,403.53
Step by Step Solution
- Step 1: Write the proportion equation
196,868.84 : 295,306.50 = 76,934.84 : x - Step 2: Convert to fraction form
196,868.84/295,306.50 = 76,934.84/x - Step 3: Cross multiply
196,868.84x = 295,306.50 × 76,934.84 - Step 4: Simplify right side
196,868.84x = 22,719,358,328.46 - Step 5: Solve for x
x = 22,719,358,328.46/196,868.84 - Step 6: Final answer
x = 115,403.53
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.