Finding the Fourth Proportional to 267,368.40, 401,037.84 and 89,857.08
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Solution
The fourth proportional to 267,368.40, 401,037.84 and 89,857.08 is: 134,780.66
Step by Step Solution
- Step 1: Write the proportion equation
267,368.40 : 401,037.84 = 89,857.08 : x - Step 2: Convert to fraction form
267,368.40/401,037.84 = 89,857.08/x - Step 3: Cross multiply
267,368.40x = 401,037.84 × 89,857.08 - Step 4: Simplify right side
267,368.40x = 36,036,089,271.91 - Step 5: Solve for x
x = 36,036,089,271.91/267,368.40 - Step 6: Final answer
x = 134,780.66
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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.