Finding the Fourth Proportional to 194,782.61, 292,305.12 and 76,439.99
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Solution
The fourth proportional to 194,782.61, 292,305.12 and 76,439.99 is: 114,711.47
Step by Step Solution
- Step 1: Write the proportion equation
194,782.61 : 292,305.12 = 76,439.99 : x - Step 2: Convert to fraction form
194,782.61/292,305.12 = 76,439.99/x - Step 3: Cross multiply
194,782.61x = 292,305.12 × 76,439.99 - Step 4: Simplify right side
194,782.61x = 22,343,798,988.22 - Step 5: Solve for x
x = 22,343,798,988.22/194,782.61 - Step 6: Final answer
x = 114,711.47
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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.