Finding the Fourth Proportional to 644,302.30, 966,745.05 and 307,212.70
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Solution
The fourth proportional to 644,302.30, 966,745.05 and 307,212.70 is: 460,958.09
Step by Step Solution
- Step 1: Write the proportion equation
644,302.30 : 966,745.05 = 307,212.70 : x - Step 2: Convert to fraction form
644,302.30/966,745.05 = 307,212.70/x - Step 3: Cross multiply
644,302.30x = 966,745.05 × 307,212.70 - Step 4: Simplify right side
644,302.30x = 296,996,357,022.14 - Step 5: Solve for x
x = 296,996,357,022.14/644,302.30 - Step 6: Final answer
x = 460,958.09
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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.