Finding the Fourth Proportional to 661,404.58, 992,151.99 and 262,044.74
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Solution
The fourth proportional to 661,404.58, 992,151.99 and 262,044.74 is: 393,084.99
Step by Step Solution
- Step 1: Write the proportion equation
661,404.58 : 992,151.99 = 262,044.74 : x - Step 2: Convert to fraction form
661,404.58/992,151.99 = 262,044.74/x - Step 3: Cross multiply
661,404.58x = 992,151.99 × 262,044.74 - Step 4: Simplify right side
661,404.58x = 259,988,212,740.41 - Step 5: Solve for x
x = 259,988,212,740.41/661,404.58 - Step 6: Final answer
x = 393,084.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.