Finding the Fourth Proportional to 296,613.39, 408,998.48 and 189,012.99
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Solution
The fourth proportional to 296,613.39, 408,998.48 and 189,012.99 is: 260,628.91
Step by Step Solution
- Step 1: Write the proportion equation
296,613.39 : 408,998.48 = 189,012.99 : x - Step 2: Convert to fraction form
296,613.39/408,998.48 = 189,012.99/x - Step 3: Cross multiply
296,613.39x = 408,998.48 × 189,012.99 - Step 4: Simplify right side
296,613.39x = 77,306,024,037.80 - Step 5: Solve for x
x = 77,306,024,037.80/296,613.39 - Step 6: Final answer
x = 260,628.91
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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.