Finding the Fourth Proportional to 178,449.21, 246,261.12 and 97,877.31
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Solution
The fourth proportional to 178,449.21, 246,261.12 and 97,877.31 is: 135,071.35
Step by Step Solution
- Step 1: Write the proportion equation
178,449.21 : 246,261.12 = 97,877.31 : x - Step 2: Convert to fraction form
178,449.21/246,261.12 = 97,877.31/x - Step 3: Cross multiply
178,449.21x = 246,261.12 × 97,877.31 - Step 4: Simplify right side
178,449.21x = 24,103,375,983.19 - Step 5: Solve for x
x = 24,103,375,983.19/178,449.21 - Step 6: Final answer
x = 135,071.35
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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.