Finding the Fourth Proportional to 97,142.40, 145,701.36 and 27,027.12
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Solution
The fourth proportional to 97,142.40, 145,701.36 and 27,027.12 is: 40,537.27
Step by Step Solution
- Step 1: Write the proportion equation
97,142.40 : 145,701.36 = 27,027.12 : x - Step 2: Convert to fraction form
97,142.40/145,701.36 = 27,027.12/x - Step 3: Cross multiply
97,142.40x = 145,701.36 × 27,027.12 - Step 4: Simplify right side
97,142.40x = 3,937,888,140.88 - Step 5: Solve for x
x = 3,937,888,140.88/97,142.40 - Step 6: Final answer
x = 40,537.27
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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.