Finding the Fourth Proportional to 239,438.61, 330,419.01 and 132,006.75
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Solution
The fourth proportional to 239,438.61, 330,419.01 and 132,006.75 is: 182,165.86
Step by Step Solution
- Step 1: Write the proportion equation
239,438.61 : 330,419.01 = 132,006.75 : x - Step 2: Convert to fraction form
239,438.61/330,419.01 = 132,006.75/x - Step 3: Cross multiply
239,438.61x = 330,419.01 × 132,006.75 - Step 4: Simplify right side
239,438.61x = 43,617,539,648.32 - Step 5: Solve for x
x = 43,617,539,648.32/239,438.61 - Step 6: Final answer
x = 182,165.86
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1.5x scale
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.