Finding the Fourth Proportional to 318,723.38, 478,136.99 and 94,106.51
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Solution
The fourth proportional to 318,723.38, 478,136.99 and 94,106.51 is: 141,175.09
Step by Step Solution
- Step 1: Write the proportion equation
318,723.38 : 478,136.99 = 94,106.51 : x - Step 2: Convert to fraction form
318,723.38/478,136.99 = 94,106.51/x - Step 3: Cross multiply
318,723.38x = 478,136.99 × 94,106.51 - Step 4: Simplify right side
318,723.38x = 44,995,800,569.59 - Step 5: Solve for x
x = 44,995,800,569.59/318,723.38 - Step 6: Final answer
x = 141,175.09
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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.