Finding the Fourth Proportional to 509,164.44, 763,748.46 and 172,207.80
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Solution
The fourth proportional to 509,164.44, 763,748.46 and 172,207.80 is: 258,312.31
Step by Step Solution
- Step 1: Write the proportion equation
509,164.44 : 763,748.46 = 172,207.80 : x - Step 2: Convert to fraction form
509,164.44/763,748.46 = 172,207.80/x - Step 3: Cross multiply
509,164.44x = 763,748.46 × 172,207.80 - Step 4: Simplify right side
509,164.44x = 131,523,442,049.99 - Step 5: Solve for x
x = 131,523,442,049.99/509,164.44 - Step 6: Final answer
x = 258,312.31
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.