Finding the Fourth Proportional to 428,877.68, 591,851.78 and 237,891.06
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Solution
The fourth proportional to 428,877.68, 591,851.78 and 237,891.06 is: 328,289.99
Step by Step Solution
- Step 1: Write the proportion equation
428,877.68 : 591,851.78 = 237,891.06 : x - Step 2: Convert to fraction form
428,877.68/591,851.78 = 237,891.06/x - Step 3: Cross multiply
428,877.68x = 591,851.78 × 237,891.06 - Step 4: Simplify right side
428,877.68x = 140,796,246,117.63 - Step 5: Solve for x
x = 140,796,246,117.63/428,877.68 - Step 6: Final answer
x = 328,289.99
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.