Finding the Fourth Proportional to 239,526.64, 330,542.40 and 132,106.60
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Solution
The fourth proportional to 239,526.64, 330,542.40 and 132,106.60 is: 182,304.70
Step by Step Solution
- Step 1: Write the proportion equation
239,526.64 : 330,542.40 = 132,106.60 : x - Step 2: Convert to fraction form
239,526.64/330,542.40 = 132,106.60/x - Step 3: Cross multiply
239,526.64x = 330,542.40 × 132,106.60 - Step 4: Simplify right side
239,526.64x = 43,666,832,619.84 - Step 5: Solve for x
x = 43,666,832,619.84/239,526.64 - Step 6: Final answer
x = 182,304.70
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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.