Finding the Fourth Proportional to 472,816.29, 652,536.74 and 289,162.29
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Solution
The fourth proportional to 472,816.29, 652,536.74 and 289,162.29 is: 399,074.70
Step by Step Solution
- Step 1: Write the proportion equation
472,816.29 : 652,536.74 = 289,162.29 : x - Step 2: Convert to fraction form
472,816.29/652,536.74 = 289,162.29/x - Step 3: Cross multiply
472,816.29x = 652,536.74 × 289,162.29 - Step 4: Simplify right side
472,816.29x = 188,689,021,217.45 - Step 5: Solve for x
x = 188,689,021,217.45/472,816.29 - Step 6: Final answer
x = 399,074.70
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.