Finding the Fourth Proportional to 195,321.68, 292,991.52 and 82,985.84
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Solution
The fourth proportional to 195,321.68, 292,991.52 and 82,985.84 is: 124,482.58
Step by Step Solution
- Step 1: Write the proportion equation
195,321.68 : 292,991.52 = 82,985.84 : x - Step 2: Convert to fraction form
195,321.68/292,991.52 = 82,985.84/x - Step 3: Cross multiply
195,321.68x = 292,991.52 × 82,985.84 - Step 4: Simplify right side
195,321.68x = 24,314,147,400.08 - Step 5: Solve for x
x = 24,314,147,400.08/195,321.68 - Step 6: Final answer
x = 124,482.58
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.