Finding the Fourth Proportional to 239,808.18, 330,911.70 and 132,371.28
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Solution
The fourth proportional to 239,808.18, 330,911.70 and 132,371.28 is: 182,659.35
Step by Step Solution
- Step 1: Write the proportion equation
239,808.18 : 330,911.70 = 132,371.28 : x - Step 2: Convert to fraction form
239,808.18/330,911.70 = 132,371.28/x - Step 3: Cross multiply
239,808.18x = 330,911.70 × 132,371.28 - Step 4: Simplify right side
239,808.18x = 43,803,205,295.98 - Step 5: Solve for x
x = 43,803,205,295.98/239,808.18 - Step 6: Final answer
x = 182,659.35
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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.