Finding the Fourth Proportional to 318,747.29, 478,172.83 and 94,130.44
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Solution
The fourth proportional to 318,747.29, 478,172.83 and 94,130.44 is: 141,210.99
Step by Step Solution
- Step 1: Write the proportion equation
318,747.29 : 478,172.83 = 94,130.44 : x - Step 2: Convert to fraction form
318,747.29/478,172.83 = 94,130.44/x - Step 3: Cross multiply
318,747.29x = 478,172.83 × 94,130.44 - Step 4: Simplify right side
318,747.29x = 45,010,618,883.95 - Step 5: Solve for x
x = 45,010,618,883.95/318,747.29 - Step 6: Final answer
x = 141,210.99
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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.