Finding the Fourth Proportional to 346,274.84, 477,859.76 and 195,385.88
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Solution
The fourth proportional to 346,274.84, 477,859.76 and 195,385.88 is: 269,632.79
Step by Step Solution
- Step 1: Write the proportion equation
346,274.84 : 477,859.76 = 195,385.88 : x - Step 2: Convert to fraction form
346,274.84/477,859.76 = 195,385.88/x - Step 3: Cross multiply
346,274.84x = 477,859.76 × 195,385.88 - Step 4: Simplify right side
346,274.84x = 93,367,049,724.19 - Step 5: Solve for x
x = 93,367,049,724.19/346,274.84 - Step 6: Final answer
x = 269,632.79
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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.