Finding the Fourth Proportional to 302,682.21, 417,701.43 and 175,431.62
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Solution
The fourth proportional to 302,682.21, 417,701.43 and 175,431.62 is: 242,095.62
Step by Step Solution
- Step 1: Write the proportion equation
302,682.21 : 417,701.43 = 175,431.62 : x - Step 2: Convert to fraction form
302,682.21/417,701.43 = 175,431.62/x - Step 3: Cross multiply
302,682.21x = 417,701.43 × 175,431.62 - Step 4: Simplify right side
302,682.21x = 73,278,036,452.71 - Step 5: Solve for x
x = 73,278,036,452.71/302,682.21 - Step 6: Final answer
x = 242,095.62
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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.