Finding the Fourth Proportional to 267,948.24, 401,641.44 and 90,394.08
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Solution
The fourth proportional to 267,948.24, 401,641.44 and 90,394.08 is: 135,496.35
Step by Step Solution
- Step 1: Write the proportion equation
267,948.24 : 401,641.44 = 90,394.08 : x - Step 2: Convert to fraction form
267,948.24/401,641.44 = 90,394.08/x - Step 3: Cross multiply
267,948.24x = 401,641.44 × 90,394.08 - Step 4: Simplify right side
267,948.24x = 36,306,008,458.68 - Step 5: Solve for x
x = 36,306,008,458.68/267,948.24 - Step 6: Final answer
x = 135,496.35
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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.