Finding the Fourth Proportional to 268,080.87, 402,102.14 and 155,690.94
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Solution
The fourth proportional to 268,080.87, 402,102.14 and 155,690.94 is: 233,525.28
Step by Step Solution
- Step 1: Write the proportion equation
268,080.87 : 402,102.14 = 155,690.94 : x - Step 2: Convert to fraction form
268,080.87/402,102.14 = 155,690.94/x - Step 3: Cross multiply
268,080.87x = 402,102.14 × 155,690.94 - Step 4: Simplify right side
268,080.87x = 62,603,659,374.16 - Step 5: Solve for x
x = 62,603,659,374.16/268,080.87 - Step 6: Final answer
x = 233,525.28
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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.