Finding the Fourth Proportional to 321,916.99, 482,880.06 and 97,279.30
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Solution
The fourth proportional to 321,916.99, 482,880.06 and 97,279.30 is: 145,920.33
Step by Step Solution
- Step 1: Write the proportion equation
321,916.99 : 482,880.06 = 97,279.30 : x - Step 2: Convert to fraction form
321,916.99/482,880.06 = 97,279.30/x - Step 3: Cross multiply
321,916.99x = 482,880.06 × 97,279.30 - Step 4: Simplify right side
321,916.99x = 46,974,234,220.76 - Step 5: Solve for x
x = 46,974,234,220.76/321,916.99 - Step 6: Final answer
x = 145,920.33
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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.