Finding the Fourth Proportional to 324,090.68, 485,802.42 and 124,357.88
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Solution
The fourth proportional to 324,090.68, 485,802.42 and 124,357.88 is: 186,408.81
Step by Step Solution
- Step 1: Write the proportion equation
324,090.68 : 485,802.42 = 124,357.88 : x - Step 2: Convert to fraction form
324,090.68/485,802.42 = 124,357.88/x - Step 3: Cross multiply
324,090.68x = 485,802.42 × 124,357.88 - Step 4: Simplify right side
324,090.68x = 60,413,359,050.07 - Step 5: Solve for x
x = 60,413,359,050.07/324,090.68 - Step 6: Final answer
x = 186,408.81
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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.