Finding the Fourth Proportional to 630,310.96, 945,474.63 and 209,586.82
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Solution
The fourth proportional to 630,310.96, 945,474.63 and 209,586.82 is: 314,382.95
Step by Step Solution
- Step 1: Write the proportion equation
630,310.96 : 945,474.63 = 209,586.82 : x - Step 2: Convert to fraction form
630,310.96/945,474.63 = 209,586.82/x - Step 3: Cross multiply
630,310.96x = 945,474.63 × 209,586.82 - Step 4: Simplify right side
630,310.96x = 198,159,021,092.38 - Step 5: Solve for x
x = 198,159,021,092.38/630,310.96 - Step 6: Final answer
x = 314,382.95
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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.