Finding the Fourth Proportional to 465,829.98, 642,868.19 and 261,945.09
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Solution
The fourth proportional to 465,829.98, 642,868.19 and 261,945.09 is: 361,497.05
Step by Step Solution
- Step 1: Write the proportion equation
465,829.98 : 642,868.19 = 261,945.09 : x - Step 2: Convert to fraction form
465,829.98/642,868.19 = 261,945.09/x - Step 3: Cross multiply
465,829.98x = 642,868.19 × 261,945.09 - Step 4: Simplify right side
465,829.98x = 168,396,164,577.96 - Step 5: Solve for x
x = 168,396,164,577.96/465,829.98 - Step 6: Final answer
x = 361,497.05
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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.