Finding the Fourth Proportional to 227,431.60, 340,704.08 and 138,464.48
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Solution
The fourth proportional to 227,431.60, 340,704.08 and 138,464.48 is: 207,426.82
Step by Step Solution
- Step 1: Write the proportion equation
227,431.60 : 340,704.08 = 138,464.48 : x - Step 2: Convert to fraction form
227,431.60/340,704.08 = 138,464.48/x - Step 3: Cross multiply
227,431.60x = 340,704.08 × 138,464.48 - Step 4: Simplify right side
227,431.60x = 47,175,413,271.08 - Step 5: Solve for x
x = 47,175,413,271.08/227,431.60 - Step 6: Final answer
x = 207,426.82
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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.