Finding the Fourth Proportional to 231,051.36, 346,713.12 and 97,921.92
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Solution
The fourth proportional to 231,051.36, 346,713.12 and 97,921.92 is: 146,940.55
Step by Step Solution
- Step 1: Write the proportion equation
231,051.36 : 346,713.12 = 97,921.92 : x - Step 2: Convert to fraction form
231,051.36/346,713.12 = 97,921.92/x - Step 3: Cross multiply
231,051.36x = 346,713.12 × 97,921.92 - Step 4: Simplify right side
231,051.36x = 33,950,814,399.59 - Step 5: Solve for x
x = 33,950,814,399.59/231,051.36 - Step 6: Final answer
x = 146,940.55
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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.