Finding the Fourth Proportional to 212,122.08, 292,728.50 and 116,635.20
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Solution
The fourth proportional to 212,122.08, 292,728.50 and 116,635.20 is: 160,956.59
Step by Step Solution
- Step 1: Write the proportion equation
212,122.08 : 292,728.50 = 116,635.20 : x - Step 2: Convert to fraction form
212,122.08/292,728.50 = 116,635.20/x - Step 3: Cross multiply
212,122.08x = 292,728.50 × 116,635.20 - Step 4: Simplify right side
212,122.08x = 34,142,447,143.20 - Step 5: Solve for x
x = 34,142,447,143.20/212,122.08 - Step 6: Final answer
x = 160,956.59
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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.