Finding the Fourth Proportional to 358,819.43, 537,721.70 and 198,965.79
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Solution
The fourth proportional to 358,819.43, 537,721.70 and 198,965.79 is: 298,167.31
Step by Step Solution
- Step 1: Write the proportion equation
358,819.43 : 537,721.70 = 198,965.79 : x - Step 2: Convert to fraction form
358,819.43/537,721.70 = 198,965.79/x - Step 3: Cross multiply
358,819.43x = 537,721.70 × 198,965.79 - Step 4: Simplify right side
358,819.43x = 106,988,221,845.81 - Step 5: Solve for x
x = 106,988,221,845.81/358,819.43 - Step 6: Final answer
x = 298,167.31
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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.