Finding the Fourth Proportional to 338,646.75, 467,347.10 and 187,743.75
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Solution
The fourth proportional to 338,646.75, 467,347.10 and 187,743.75 is: 259,094.46
Step by Step Solution
- Step 1: Write the proportion equation
338,646.75 : 467,347.10 = 187,743.75 : x - Step 2: Convert to fraction form
338,646.75/467,347.10 = 187,743.75/x - Step 3: Cross multiply
338,646.75x = 467,347.10 × 187,743.75 - Step 4: Simplify right side
338,646.75x = 87,741,496,166.91 - Step 5: Solve for x
x = 87,741,496,166.91/338,646.75 - Step 6: Final answer
x = 259,094.46
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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.