Finding the Fourth Proportional to 166,646.79, 249,968.97 and 66,805.53
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Solution
The fourth proportional to 166,646.79, 249,968.97 and 66,805.53 is: 100,207.81
Step by Step Solution
- Step 1: Write the proportion equation
166,646.79 : 249,968.97 = 66,805.53 : x - Step 2: Convert to fraction form
166,646.79/249,968.97 = 66,805.53/x - Step 3: Cross multiply
166,646.79x = 249,968.97 × 66,805.53 - Step 4: Simplify right side
166,646.79x = 16,699,309,524.40 - Step 5: Solve for x
x = 16,699,309,524.40/166,646.79 - Step 6: Final answer
x = 100,207.81
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.