Finding the Fourth Proportional to 456,715.67, 630,262.98 and 252,766.99
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Solution
The fourth proportional to 456,715.67, 630,262.98 and 252,766.99 is: 348,815.87
Step by Step Solution
- Step 1: Write the proportion equation
456,715.67 : 630,262.98 = 252,766.99 : x - Step 2: Convert to fraction form
456,715.67/630,262.98 = 252,766.99/x - Step 3: Cross multiply
456,715.67x = 630,262.98 × 252,766.99 - Step 4: Simplify right side
456,715.67x = 159,309,673,211.72 - Step 5: Solve for x
x = 159,309,673,211.72/456,715.67 - Step 6: Final answer
x = 348,815.87
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.