Finding the Fourth Proportional to 190,933.80, 286,400.70 and 97,621.80
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Solution
The fourth proportional to 190,933.80, 286,400.70 and 97,621.80 is: 146,432.70
Step by Step Solution
- Step 1: Write the proportion equation
190,933.80 : 286,400.70 = 97,621.80 : x - Step 2: Convert to fraction form
190,933.80/286,400.70 = 97,621.80/x - Step 3: Cross multiply
190,933.80x = 286,400.70 × 97,621.80 - Step 4: Simplify right side
190,933.80x = 27,958,951,855.26 - Step 5: Solve for x
x = 27,958,951,855.26/190,933.80 - Step 6: Final answer
x = 146,432.70
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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.