Finding the Fourth Proportional to 97,249.80, 145,874.70 and 91,344.90
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Solution
The fourth proportional to 97,249.80, 145,874.70 and 91,344.90 is: 137,017.35
Step by Step Solution
- Step 1: Write the proportion equation
97,249.80 : 145,874.70 = 91,344.90 : x - Step 2: Convert to fraction form
97,249.80/145,874.70 = 91,344.90/x - Step 3: Cross multiply
97,249.80x = 145,874.70 × 91,344.90 - Step 4: Simplify right side
97,249.80x = 13,324,909,884.03 - Step 5: Solve for x
x = 13,324,909,884.03/97,249.80 - Step 6: Final answer
x = 137,017.35
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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.