Finding the Fourth Proportional to 267,706.18, 401,915.64 and 155,466.95
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Solution
The fourth proportional to 267,706.18, 401,915.64 and 155,466.95 is: 233,407.38
Step by Step Solution
- Step 1: Write the proportion equation
267,706.18 : 401,915.64 = 155,466.95 : x - Step 2: Convert to fraction form
267,706.18/401,915.64 = 155,466.95/x - Step 3: Cross multiply
267,706.18x = 401,915.64 × 155,466.95 - Step 4: Simplify right side
267,706.18x = 62,484,598,708.10 - Step 5: Solve for x
x = 62,484,598,708.10/267,706.18 - Step 6: Final answer
x = 233,407.38
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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.