Finding the Fourth Proportional to 316,596.74, 436,916.50 and 173,369.30
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Solution
The fourth proportional to 316,596.74, 436,916.50 and 173,369.30 is: 239,256.75
Step by Step Solution
- Step 1: Write the proportion equation
316,596.74 : 436,916.50 = 173,369.30 : x - Step 2: Convert to fraction form
316,596.74/436,916.50 = 173,369.30/x - Step 3: Cross multiply
316,596.74x = 436,916.50 × 173,369.30 - Step 4: Simplify right side
316,596.74x = 75,747,905,145.44 - Step 5: Solve for x
x = 75,747,905,145.44/316,596.74 - Step 6: Final answer
x = 239,256.75
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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.