Finding the Fourth Proportional to 318,168.05, 439,060.69 and 174,926.99
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Solution
The fourth proportional to 318,168.05, 439,060.69 and 174,926.99 is: 241,393.07
Step by Step Solution
- Step 1: Write the proportion equation
318,168.05 : 439,060.69 = 174,926.99 : x - Step 2: Convert to fraction form
318,168.05/439,060.69 = 174,926.99/x - Step 3: Cross multiply
318,168.05x = 439,060.69 × 174,926.99 - Step 4: Simplify right side
318,168.05x = 76,803,561,859.08 - Step 5: Solve for x
x = 76,803,561,859.08/318,168.05 - Step 6: Final answer
x = 241,393.07
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.