Finding the Fourth Proportional to 465,854.98, 642,864.98 and 261,914.53
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Solution
The fourth proportional to 465,854.98, 642,864.98 and 261,914.53 is: 361,433.67
Step by Step Solution
- Step 1: Write the proportion equation
465,854.98 : 642,864.98 = 261,914.53 : x - Step 2: Convert to fraction form
465,854.98/642,864.98 = 261,914.53/x - Step 3: Cross multiply
465,854.98x = 642,864.98 × 261,914.53 - Step 4: Simplify right side
465,854.98x = 168,375,674,566.26 - Step 5: Solve for x
x = 168,375,674,566.26/465,854.98 - Step 6: Final answer
x = 361,433.67
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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.