Finding the Fourth Proportional to 352,566.73, 486,542.07 and 191,421.80
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Solution
The fourth proportional to 352,566.73, 486,542.07 and 191,421.80 is: 264,162.07
Step by Step Solution
- Step 1: Write the proportion equation
352,566.73 : 486,542.07 = 191,421.80 : x - Step 2: Convert to fraction form
352,566.73/486,542.07 = 191,421.80/x - Step 3: Cross multiply
352,566.73x = 486,542.07 × 191,421.80 - Step 4: Simplify right side
352,566.73x = 93,134,758,815.13 - Step 5: Solve for x
x = 93,134,758,815.13/352,566.73 - Step 6: Final answer
x = 264,162.07
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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.