Finding the Fourth Proportional to 454,421.09, 681,422.09 and 134,458.53
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Solution
The fourth proportional to 454,421.09, 681,422.09 and 134,458.53 is: 201,625.79
Step by Step Solution
- Step 1: Write the proportion equation
454,421.09 : 681,422.09 = 134,458.53 : x - Step 2: Convert to fraction form
454,421.09/681,422.09 = 134,458.53/x - Step 3: Cross multiply
454,421.09x = 681,422.09 × 134,458.53 - Step 4: Simplify right side
454,421.09x = 91,623,011,858.64 - Step 5: Solve for x
x = 91,623,011,858.64/454,421.09 - Step 6: Final answer
x = 201,625.79
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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.