Finding the Fourth Proportional to 193,642.80, 290,425.80 and 93,802.80
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Solution
The fourth proportional to 193,642.80, 290,425.80 and 93,802.80 is: 140,685.60
Step by Step Solution
- Step 1: Write the proportion equation
193,642.80 : 290,425.80 = 93,802.80 : x - Step 2: Convert to fraction form
193,642.80/290,425.80 = 93,802.80/x - Step 3: Cross multiply
193,642.80x = 290,425.80 × 93,802.80 - Step 4: Simplify right side
193,642.80x = 27,242,753,232.24 - Step 5: Solve for x
x = 27,242,753,232.24/193,642.80 - Step 6: Final answer
x = 140,685.60
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1.5x scale
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.