Finding the Fourth Proportional to 194,445.16, 291,459.74 and 138,872.68
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Solution
The fourth proportional to 194,445.16, 291,459.74 and 138,872.68 is: 208,160.47
Step by Step Solution
- Step 1: Write the proportion equation
194,445.16 : 291,459.74 = 138,872.68 : x - Step 2: Convert to fraction form
194,445.16/291,459.74 = 138,872.68/x - Step 3: Cross multiply
194,445.16x = 291,459.74 × 138,872.68 - Step 4: Simplify right side
194,445.16x = 40,475,795,205.90 - Step 5: Solve for x
x = 40,475,795,205.90/194,445.16 - Step 6: Final answer
x = 208,160.47
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.