Finding the Fourth Proportional to 351,706.48, 485,087.12 and 302,731.44
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Solution
The fourth proportional to 351,706.48, 485,087.12 and 302,731.44 is: 417,538.86
Step by Step Solution
- Step 1: Write the proportion equation
351,706.48 : 485,087.12 = 302,731.44 : x - Step 2: Convert to fraction form
351,706.48/485,087.12 = 302,731.44/x - Step 3: Cross multiply
351,706.48x = 485,087.12 × 302,731.44 - Step 4: Simplify right side
351,706.48x = 146,851,122,363.05 - Step 5: Solve for x
x = 146,851,122,363.05/351,706.48 - Step 6: Final answer
x = 417,538.86
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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.