Finding the Fourth Proportional to 296,830.70, 445,246.05 and 119,246.30
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Solution
The fourth proportional to 296,830.70, 445,246.05 and 119,246.30 is: 178,869.45
Step by Step Solution
- Step 1: Write the proportion equation
296,830.70 : 445,246.05 = 119,246.30 : x - Step 2: Convert to fraction form
296,830.70/445,246.05 = 119,246.30/x - Step 3: Cross multiply
296,830.70x = 445,246.05 × 119,246.30 - Step 4: Simplify right side
296,830.70x = 53,093,944,052.12 - Step 5: Solve for x
x = 53,093,944,052.12/296,830.70 - Step 6: Final answer
x = 178,869.45
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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.