Finding the Fourth Proportional to 194,427.54, 291,681.99 and 82,108.08
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Solution
The fourth proportional to 194,427.54, 291,681.99 and 82,108.08 is: 123,179.30
Step by Step Solution
- Step 1: Write the proportion equation
194,427.54 : 291,681.99 = 82,108.08 : x - Step 2: Convert to fraction form
194,427.54/291,681.99 = 82,108.08/x - Step 3: Cross multiply
194,427.54x = 291,681.99 × 82,108.08 - Step 4: Simplify right side
194,427.54x = 23,949,448,169.48 - Step 5: Solve for x
x = 23,949,448,169.48/194,427.54 - Step 6: Final answer
x = 123,179.30
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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.