Finding the Fourth Proportional to 527,274.93, 790,948.98 and 211,731.87
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Solution
The fourth proportional to 527,274.93, 790,948.98 and 211,731.87 is: 317,612.50
Step by Step Solution
- Step 1: Write the proportion equation
527,274.93 : 790,948.98 = 211,731.87 : x - Step 2: Convert to fraction form
527,274.93/790,948.98 = 211,731.87/x - Step 3: Cross multiply
527,274.93x = 790,948.98 × 211,731.87 - Step 4: Simplify right side
527,274.93x = 167,469,106,609.99 - Step 5: Solve for x
x = 167,469,106,609.99/527,274.93 - Step 6: Final answer
x = 317,612.50
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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.