Finding the Fourth Proportional to 178,272.56, 246,016.17 and 97,703.28
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Solution
The fourth proportional to 178,272.56, 246,016.17 and 97,703.28 is: 134,830.54
Step by Step Solution
- Step 1: Write the proportion equation
178,272.56 : 246,016.17 = 97,703.28 : x - Step 2: Convert to fraction form
178,272.56/246,016.17 = 97,703.28/x - Step 3: Cross multiply
178,272.56x = 246,016.17 × 97,703.28 - Step 4: Simplify right side
178,272.56x = 24,036,586,742.04 - Step 5: Solve for x
x = 24,036,586,742.04/178,272.56 - Step 6: Final answer
x = 134,830.54
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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.