Finding the Fourth Proportional to 330,268.74, 455,798.97 and 187,054.26
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Solution
The fourth proportional to 330,268.74, 455,798.97 and 187,054.26 is: 258,150.80
Step by Step Solution
- Step 1: Write the proportion equation
330,268.74 : 455,798.97 = 187,054.26 : x - Step 2: Convert to fraction form
330,268.74/455,798.97 = 187,054.26/x - Step 3: Cross multiply
330,268.74x = 455,798.97 × 187,054.26 - Step 4: Simplify right side
330,268.74x = 85,259,139,042.11 - Step 5: Solve for x
x = 85,259,139,042.11/330,268.74 - Step 6: Final answer
x = 258,150.80
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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.