Finding the Fourth Proportional to 239,645.84, 330,709.04 and 132,216.80
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Solution
The fourth proportional to 239,645.84, 330,709.04 and 132,216.80 is: 182,457.96
Step by Step Solution
- Step 1: Write the proportion equation
239,645.84 : 330,709.04 = 132,216.80 : x - Step 2: Convert to fraction form
239,645.84/330,709.04 = 132,216.80/x - Step 3: Cross multiply
239,645.84x = 330,709.04 × 132,216.80 - Step 4: Simplify right side
239,645.84x = 43,725,290,999.87 - Step 5: Solve for x
x = 43,725,290,999.87/239,645.84 - Step 6: Final answer
x = 182,457.96
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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.