Finding the Fourth Proportional to 194,921.22, 292,484.30 and 138,360.14
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Solution
The fourth proportional to 194,921.22, 292,484.30 and 138,360.14 is: 207,612.95
Step by Step Solution
- Step 1: Write the proportion equation
194,921.22 : 292,484.30 = 138,360.14 : x - Step 2: Convert to fraction form
194,921.22/292,484.30 = 138,360.14/x - Step 3: Cross multiply
194,921.22x = 292,484.30 × 138,360.14 - Step 4: Simplify right side
194,921.22x = 40,468,168,695.80 - Step 5: Solve for x
x = 40,468,168,695.80/194,921.22 - Step 6: Final answer
x = 207,612.95
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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.