Finding the Fourth Proportional to 314,915.77, 434,452.91 and 185,802.99
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Solution
The fourth proportional to 314,915.77, 434,452.91 and 185,802.99 is: 256,330.92
Step by Step Solution
- Step 1: Write the proportion equation
314,915.77 : 434,452.91 = 185,802.99 : x - Step 2: Convert to fraction form
314,915.77/434,452.91 = 185,802.99/x - Step 3: Cross multiply
314,915.77x = 434,452.91 × 185,802.99 - Step 4: Simplify right side
314,915.77x = 80,722,649,692.20 - Step 5: Solve for x
x = 80,722,649,692.20/314,915.77 - Step 6: Final answer
x = 256,330.92
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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.