Finding the Fourth Proportional to 268,328.18, 402,489.44 and 68,646.98
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Solution
The fourth proportional to 268,328.18, 402,489.44 and 68,646.98 is: 102,969.75
Step by Step Solution
- Step 1: Write the proportion equation
268,328.18 : 402,489.44 = 68,646.98 : x - Step 2: Convert to fraction form
268,328.18/402,489.44 = 68,646.98/x - Step 3: Cross multiply
268,328.18x = 402,489.44 × 68,646.98 - Step 4: Simplify right side
268,328.18x = 27,629,684,537.89 - Step 5: Solve for x
x = 27,629,684,537.89/268,328.18 - Step 6: Final answer
x = 102,969.75
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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.