Finding the Fourth Proportional to 316,516.98, 436,793.41 and 173,277.02
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Solution
The fourth proportional to 316,516.98, 436,793.41 and 173,277.02 is: 239,122.28
Step by Step Solution
- Step 1: Write the proportion equation
316,516.98 : 436,793.41 = 173,277.02 : x - Step 2: Convert to fraction form
316,516.98/436,793.41 = 173,277.02/x - Step 3: Cross multiply
316,516.98x = 436,793.41 × 173,277.02 - Step 4: Simplify right side
316,516.98x = 75,686,260,440.44 - Step 5: Solve for x
x = 75,686,260,440.44/316,516.98 - Step 6: Final answer
x = 239,122.28
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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.