Finding the Fourth Proportional to 302,704.66, 417,638.12 and 171,860.91
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Solution
The fourth proportional to 302,704.66, 417,638.12 and 171,860.91 is: 237,114.50
Step by Step Solution
- Step 1: Write the proportion equation
302,704.66 : 417,638.12 = 171,860.91 : x - Step 2: Convert to fraction form
302,704.66/417,638.12 = 171,860.91/x - Step 3: Cross multiply
302,704.66x = 417,638.12 × 171,860.91 - Step 4: Simplify right side
302,704.66x = 71,775,664,406.39 - Step 5: Solve for x
x = 71,775,664,406.39/302,704.66 - Step 6: Final answer
x = 237,114.50
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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.