Finding the Fourth Proportional to 188,701.60, 282,971.76 and 63,986.08
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Solution
The fourth proportional to 188,701.60, 282,971.76 and 63,986.08 is: 95,951.78
Step by Step Solution
- Step 1: Write the proportion equation
188,701.60 : 282,971.76 = 63,986.08 : x - Step 2: Convert to fraction form
188,701.60/282,971.76 = 63,986.08/x - Step 3: Cross multiply
188,701.60x = 282,971.76 × 63,986.08 - Step 4: Simplify right side
188,701.60x = 18,106,253,673.10 - Step 5: Solve for x
x = 18,106,253,673.10/188,701.60 - Step 6: Final answer
x = 95,951.78
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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.