Finding the Fourth Proportional to 448,489.64, 619,065.68 and 267,258.42
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Solution
The fourth proportional to 448,489.64, 619,065.68 and 267,258.42 is: 368,905.99
Step by Step Solution
- Step 1: Write the proportion equation
448,489.64 : 619,065.68 = 267,258.42 : x - Step 2: Convert to fraction form
448,489.64/619,065.68 = 267,258.42/x - Step 3: Cross multiply
448,489.64x = 619,065.68 × 267,258.42 - Step 4: Simplify right side
448,489.64x = 165,450,514,176.73 - Step 5: Solve for x
x = 165,450,514,176.73/448,489.64 - Step 6: Final answer
x = 368,905.99
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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.