Finding the Fourth Proportional to 194,593.68, 268,539.12 and 105,169.68
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Solution
The fourth proportional to 194,593.68, 268,539.12 and 105,169.68 is: 145,134.07
Step by Step Solution
- Step 1: Write the proportion equation
194,593.68 : 268,539.12 = 105,169.68 : x - Step 2: Convert to fraction form
194,593.68/268,539.12 = 105,169.68/x - Step 3: Cross multiply
194,593.68x = 268,539.12 × 105,169.68 - Step 4: Simplify right side
194,593.68x = 28,242,173,317.88 - Step 5: Solve for x
x = 28,242,173,317.88/194,593.68 - Step 6: Final answer
x = 145,134.07
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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.