Finding the Fourth Proportional to 190,306.36, 285,459.44 and 177,695.03
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Solution
The fourth proportional to 190,306.36, 285,459.44 and 177,695.03 is: 266,542.45
Step by Step Solution
- Step 1: Write the proportion equation
190,306.36 : 285,459.44 = 177,695.03 : x - Step 2: Convert to fraction form
190,306.36/285,459.44 = 177,695.03/x - Step 3: Cross multiply
190,306.36x = 285,459.44 × 177,695.03 - Step 4: Simplify right side
190,306.36x = 50,724,724,579.29 - Step 5: Solve for x
x = 50,724,724,579.29/190,306.36 - Step 6: Final answer
x = 266,542.45
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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.