Finding the Fourth Proportional to 358,717.36, 495,064.88 and 267,915.66
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Solution
The fourth proportional to 358,717.36, 495,064.88 and 267,915.66 is: 369,749.70
Step by Step Solution
- Step 1: Write the proportion equation
358,717.36 : 495,064.88 = 267,915.66 : x - Step 2: Convert to fraction form
358,717.36/495,064.88 = 267,915.66/x - Step 3: Cross multiply
358,717.36x = 495,064.88 × 267,915.66 - Step 4: Simplify right side
358,717.36x = 132,635,636,168.40 - Step 5: Solve for x
x = 132,635,636,168.40/358,717.36 - Step 6: Final answer
x = 369,749.70
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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.