Finding the Fourth Proportional to 268,878.41, 403,314.87 and 69,198.02
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Solution
The fourth proportional to 268,878.41, 403,314.87 and 69,198.02 is: 103,796.32
Step by Step Solution
- Step 1: Write the proportion equation
268,878.41 : 403,314.87 = 69,198.02 : x - Step 2: Convert to fraction form
268,878.41/403,314.87 = 69,198.02/x - Step 3: Cross multiply
268,878.41x = 403,314.87 × 69,198.02 - Step 4: Simplify right side
268,878.41x = 27,908,590,440.56 - Step 5: Solve for x
x = 27,908,590,440.56/268,878.41 - Step 6: Final answer
x = 103,796.32
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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.