Finding the Fourth Proportional to 195,381.81, 293,031.71 and 55,107.63
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Solution
The fourth proportional to 195,381.81, 293,031.71 and 55,107.63 is: 82,649.88
Step by Step Solution
- Step 1: Write the proportion equation
195,381.81 : 293,031.71 = 55,107.63 : x - Step 2: Convert to fraction form
195,381.81/293,031.71 = 55,107.63/x - Step 3: Cross multiply
195,381.81x = 293,031.71 × 55,107.63 - Step 4: Simplify right side
195,381.81x = 16,148,282,915.18 - Step 5: Solve for x
x = 16,148,282,915.18/195,381.81 - Step 6: Final answer
x = 82,649.88
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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.