Finding the Fourth Proportional to 527,072.50, 790,756.56 and 211,750.84
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Solution
The fourth proportional to 527,072.50, 790,756.56 and 211,750.84 is: 317,685.64
Step by Step Solution
- Step 1: Write the proportion equation
527,072.50 : 790,756.56 = 211,750.84 : x - Step 2: Convert to fraction form
527,072.50/790,756.56 = 211,750.84/x - Step 3: Cross multiply
527,072.50x = 790,756.56 × 211,750.84 - Step 4: Simplify right side
527,072.50x = 167,443,365,815.51 - Step 5: Solve for x
x = 167,443,365,815.51/527,072.50 - Step 6: Final answer
x = 317,685.64
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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.