Finding the Fourth Proportional to 340,591.04, 470,037.12 and 189,687.68
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Solution
The fourth proportional to 340,591.04, 470,037.12 and 189,687.68 is: 261,780.96
Step by Step Solution
- Step 1: Write the proportion equation
340,591.04 : 470,037.12 = 189,687.68 : x - Step 2: Convert to fraction form
340,591.04/470,037.12 = 189,687.68/x - Step 3: Cross multiply
340,591.04x = 470,037.12 × 189,687.68 - Step 4: Simplify right side
340,591.04x = 89,160,250,806.68 - Step 5: Solve for x
x = 89,160,250,806.68/340,591.04 - Step 6: Final answer
x = 261,780.96
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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.