Finding the Fourth Proportional to 239,659.18, 330,730.73 and 132,229.15
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Solution
The fourth proportional to 239,659.18, 330,730.73 and 132,229.15 is: 182,476.81
Step by Step Solution
- Step 1: Write the proportion equation
239,659.18 : 330,730.73 = 132,229.15 : x - Step 2: Convert to fraction form
239,659.18/330,730.73 = 132,229.15/x - Step 3: Cross multiply
239,659.18x = 330,730.73 × 132,229.15 - Step 4: Simplify right side
239,659.18x = 43,732,242,645.63 - Step 5: Solve for x
x = 43,732,242,645.63/239,659.18 - Step 6: Final answer
x = 182,476.81
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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.