Finding the Fourth Proportional to 470,748.18, 649,618.68 and 255,882.72
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Solution
The fourth proportional to 470,748.18, 649,618.68 and 255,882.72 is: 353,110.65
Step by Step Solution
- Step 1: Write the proportion equation
470,748.18 : 649,618.68 = 255,882.72 : x - Step 2: Convert to fraction form
470,748.18/649,618.68 = 255,882.72/x - Step 3: Cross multiply
470,748.18x = 649,618.68 × 255,882.72 - Step 4: Simplify right side
470,748.18x = 166,226,194,801.21 - Step 5: Solve for x
x = 166,226,194,801.21/470,748.18 - Step 6: Final answer
x = 353,110.65
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.