Finding the Fourth Proportional to 129,655.13, 194,515.50 and 36,160.88
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Solution
The fourth proportional to 129,655.13, 194,515.50 and 36,160.88 is: 54,250.46
Step by Step Solution
- Step 1: Write the proportion equation
129,655.13 : 194,515.50 = 36,160.88 : x - Step 2: Convert to fraction form
129,655.13/194,515.50 = 36,160.88/x - Step 3: Cross multiply
129,655.13x = 194,515.50 × 36,160.88 - Step 4: Simplify right side
129,655.13x = 7,033,850,681.06 - Step 5: Solve for x
x = 7,033,850,681.06/129,655.13 - Step 6: Final answer
x = 54,250.46
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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.