Finding the Fourth Proportional to 299,781.80, 449,672.73 and 83,632.09
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Solution
The fourth proportional to 299,781.80, 449,672.73 and 83,632.09 is: 125,448.14
Step by Step Solution
- Step 1: Write the proportion equation
299,781.80 : 449,672.73 = 83,632.09 : x - Step 2: Convert to fraction form
299,781.80/449,672.73 = 83,632.09/x - Step 3: Cross multiply
299,781.80x = 449,672.73 × 83,632.09 - Step 4: Simplify right side
299,781.80x = 37,607,067,977.54 - Step 5: Solve for x
x = 37,607,067,977.54/299,781.80 - Step 6: Final answer
x = 125,448.14
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.