Finding the Fourth Proportional to 97,311.94, 134,239.49 and 84,536.44
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Solution
The fourth proportional to 97,311.94, 134,239.49 and 84,536.44 is: 116,615.99
Step by Step Solution
- Step 1: Write the proportion equation
97,311.94 : 134,239.49 = 84,536.44 : x - Step 2: Convert to fraction form
97,311.94/134,239.49 = 84,536.44/x - Step 3: Cross multiply
97,311.94x = 134,239.49 × 84,536.44 - Step 4: Simplify right side
97,311.94x = 11,348,127,833.73 - Step 5: Solve for x
x = 11,348,127,833.73/97,311.94 - Step 6: Final answer
x = 116,615.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.