Finding the Fourth Proportional to 657,696.08, 986,668.56 and 208,530.08
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Solution
The fourth proportional to 657,696.08, 986,668.56 and 208,530.08 is: 312,834.58
Step by Step Solution
- Step 1: Write the proportion equation
657,696.08 : 986,668.56 = 208,530.08 : x - Step 2: Convert to fraction form
657,696.08/986,668.56 = 208,530.08/x - Step 3: Cross multiply
657,696.08x = 986,668.56 × 208,530.08 - Step 4: Simplify right side
657,696.08x = 205,750,073,750.29 - Step 5: Solve for x
x = 205,750,073,750.29/657,696.08 - Step 6: Final answer
x = 312,834.58
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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.