Finding the Fourth Proportional to 351,695.97, 485,072.64 and 302,720.94
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Solution
The fourth proportional to 351,695.97, 485,072.64 and 302,720.94 is: 417,524.39
Step by Step Solution
- Step 1: Write the proportion equation
351,695.97 : 485,072.64 = 302,720.94 : x - Step 2: Convert to fraction form
351,695.97/485,072.64 = 302,720.94/x - Step 3: Cross multiply
351,695.97x = 485,072.64 × 302,720.94 - Step 4: Simplify right side
351,695.97x = 146,841,645,549.08 - Step 5: Solve for x
x = 146,841,645,549.08/351,695.97 - Step 6: Final answer
x = 417,524.39
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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.