Finding the Fourth Proportional to 255,777.99, 352,974.33 and 141,053.79
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Solution
The fourth proportional to 255,777.99, 352,974.33 and 141,053.79 is: 194,654.62
Step by Step Solution
- Step 1: Write the proportion equation
255,777.99 : 352,974.33 = 141,053.79 : x - Step 2: Convert to fraction form
255,777.99/352,974.33 = 141,053.79/x - Step 3: Cross multiply
255,777.99x = 352,974.33 × 141,053.79 - Step 4: Simplify right side
255,777.99x = 49,788,367,019.21 - Step 5: Solve for x
x = 49,788,367,019.21/255,777.99 - Step 6: Final answer
x = 194,654.62
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1.5x scale
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.