Finding the Fourth Proportional to 470,063.12, 704,944.92 and 154,446.80
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Solution
The fourth proportional to 470,063.12, 704,944.92 and 154,446.80 is: 231,620.99
Step by Step Solution
- Step 1: Write the proportion equation
470,063.12 : 704,944.92 = 154,446.80 : x - Step 2: Convert to fraction form
470,063.12/704,944.92 = 154,446.80/x - Step 3: Cross multiply
470,063.12x = 704,944.92 × 154,446.80 - Step 4: Simplify right side
470,063.12x = 108,876,487,070.26 - Step 5: Solve for x
x = 108,876,487,070.26/470,063.12 - Step 6: Final answer
x = 231,620.99
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.