Finding the Fourth Proportional to 239,297.63, 330,232.95 and 131,871.50
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Solution
The fourth proportional to 239,297.63, 330,232.95 and 131,871.50 is: 181,983.89
Step by Step Solution
- Step 1: Write the proportion equation
239,297.63 : 330,232.95 = 131,871.50 : x - Step 2: Convert to fraction form
239,297.63/330,232.95 = 131,871.50/x - Step 3: Cross multiply
239,297.63x = 330,232.95 × 131,871.50 - Step 4: Simplify right side
239,297.63x = 43,548,314,465.93 - Step 5: Solve for x
x = 43,548,314,465.93/239,297.63 - Step 6: Final answer
x = 181,983.89
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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.