Finding the Fourth Proportional to 531,680.75, 733,763.12 and 302,310.02
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Solution
The fourth proportional to 531,680.75, 733,763.12 and 302,310.02 is: 417,212.65
Step by Step Solution
- Step 1: Write the proportion equation
531,680.75 : 733,763.12 = 302,310.02 : x - Step 2: Convert to fraction form
531,680.75/733,763.12 = 302,310.02/x - Step 3: Cross multiply
531,680.75x = 733,763.12 × 302,310.02 - Step 4: Simplify right side
531,680.75x = 221,823,938,302.10 - Step 5: Solve for x
x = 221,823,938,302.10/531,680.75 - Step 6: Final answer
x = 417,212.65
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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.