Finding the Fourth Proportional to 338,623.74, 467,301.42 and 187,720.74
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Solution
The fourth proportional to 338,623.74, 467,301.42 and 187,720.74 is: 259,054.99
Step by Step Solution
- Step 1: Write the proportion equation
338,623.74 : 467,301.42 = 187,720.74 : x - Step 2: Convert to fraction form
338,623.74/467,301.42 = 187,720.74/x - Step 3: Cross multiply
338,623.74x = 467,301.42 × 187,720.74 - Step 4: Simplify right side
338,623.74x = 87,722,168,365.45 - Step 5: Solve for x
x = 87,722,168,365.45/338,623.74 - Step 6: Final answer
x = 259,054.99
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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.