Finding the Fourth Proportional to 321,915.49, 482,877.81 and 97,277.80
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Solution
The fourth proportional to 321,915.49, 482,877.81 and 97,277.80 is: 145,918.08
Step by Step Solution
- Step 1: Write the proportion equation
321,915.49 : 482,877.81 = 97,277.80 : x - Step 2: Convert to fraction form
321,915.49/482,877.81 = 97,277.80/x - Step 3: Cross multiply
321,915.49x = 482,877.81 × 97,277.80 - Step 4: Simplify right side
321,915.49x = 46,973,291,025.62 - Step 5: Solve for x
x = 46,973,291,025.62/321,915.49 - Step 6: Final answer
x = 145,918.08
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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.