Finding the Fourth Proportional to 500,681.44, 751,014.87 and 121,605.09
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Solution
The fourth proportional to 500,681.44, 751,014.87 and 121,605.09 is: 182,405.86
Step by Step Solution
- Step 1: Write the proportion equation
500,681.44 : 751,014.87 = 121,605.09 : x - Step 2: Convert to fraction form
500,681.44/751,014.87 = 121,605.09/x - Step 3: Cross multiply
500,681.44x = 751,014.87 × 121,605.09 - Step 4: Simplify right side
500,681.44x = 91,327,230,857.69 - Step 5: Solve for x
x = 91,327,230,857.69/500,681.44 - Step 6: Final answer
x = 182,405.86
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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.