Finding the Fourth Proportional to 286,810.26, 395,807.75 and 157,754.18
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Solution
The fourth proportional to 286,810.26, 395,807.75 and 157,754.18 is: 217,706.03
Step by Step Solution
- Step 1: Write the proportion equation
286,810.26 : 395,807.75 = 157,754.18 : x - Step 2: Convert to fraction form
286,810.26/395,807.75 = 157,754.18/x - Step 3: Cross multiply
286,810.26x = 395,807.75 × 157,754.18 - Step 4: Simplify right side
286,810.26x = 62,440,324,271.09 - Step 5: Solve for x
x = 62,440,324,271.09/286,810.26 - Step 6: Final answer
x = 217,706.03
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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.