Finding the Fourth Proportional to 403,306.58, 556,506.42 and 267,129.38
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Solution
The fourth proportional to 403,306.58, 556,506.42 and 267,129.38 is: 368,601.02
Step by Step Solution
- Step 1: Write the proportion equation
403,306.58 : 556,506.42 = 267,129.38 : x - Step 2: Convert to fraction form
403,306.58/556,506.42 = 267,129.38/x - Step 3: Cross multiply
403,306.58x = 556,506.42 × 267,129.38 - Step 4: Simplify right side
403,306.58x = 148,659,214,940.62 - Step 5: Solve for x
x = 148,659,214,940.62/403,306.58 - Step 6: Final answer
x = 368,601.02
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.