Finding the Fourth Proportional to 285,915.48, 429,012.95 and 202,213.53
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Solution
The fourth proportional to 285,915.48, 429,012.95 and 202,213.53 is: 303,419.12
Step by Step Solution
- Step 1: Write the proportion equation
285,915.48 : 429,012.95 = 202,213.53 : x - Step 2: Convert to fraction form
285,915.48/429,012.95 = 202,213.53/x - Step 3: Cross multiply
285,915.48x = 429,012.95 × 202,213.53 - Step 4: Simplify right side
285,915.48x = 86,752,223,035.21 - Step 5: Solve for x
x = 86,752,223,035.21/285,915.48 - Step 6: Final answer
x = 303,419.12
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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.