Finding the Fourth Proportional to 657,857.76, 986,821.62 and 208,614.07
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Solution
The fourth proportional to 657,857.76, 986,821.62 and 208,614.07 is: 312,932.20
Step by Step Solution
- Step 1: Write the proportion equation
657,857.76 : 986,821.62 = 208,614.07 : x - Step 2: Convert to fraction form
657,857.76/986,821.62 = 208,614.07/x - Step 3: Cross multiply
657,857.76x = 986,821.62 × 208,614.07 - Step 4: Simplify right side
657,857.76x = 205,864,874,512.19 - Step 5: Solve for x
x = 205,864,874,512.19/657,857.76 - Step 6: Final answer
x = 312,932.20
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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.