Finding the Fourth Proportional to 377,629.36, 521,128.24 and 207,863.48
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Solution
The fourth proportional to 377,629.36, 521,128.24 and 207,863.48 is: 286,851.45
Step by Step Solution
- Step 1: Write the proportion equation
377,629.36 : 521,128.24 = 207,863.48 : x - Step 2: Convert to fraction form
377,629.36/521,128.24 = 207,863.48/x - Step 3: Cross multiply
377,629.36x = 521,128.24 × 207,863.48 - Step 4: Simplify right side
377,629.36x = 108,323,530,275.84 - Step 5: Solve for x
x = 108,323,530,275.84/377,629.36 - Step 6: Final answer
x = 286,851.45
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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.