Finding the Fourth Proportional to 194,871.40, 292,307.10 and 155,213.80
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Solution
The fourth proportional to 194,871.40, 292,307.10 and 155,213.80 is: 232,820.70
Step by Step Solution
- Step 1: Write the proportion equation
194,871.40 : 292,307.10 = 155,213.80 : x - Step 2: Convert to fraction form
194,871.40/292,307.10 = 155,213.80/x - Step 3: Cross multiply
194,871.40x = 292,307.10 × 155,213.80 - Step 4: Simplify right side
194,871.40x = 45,370,095,757.98 - Step 5: Solve for x
x = 45,370,095,757.98/194,871.40 - Step 6: Final answer
x = 232,820.70
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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.