Finding the Fourth Proportional to 190,253.01, 285,517.89 and 153,259.68
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Solution
The fourth proportional to 190,253.01, 285,517.89 and 153,259.68 is: 230,000.99
Step by Step Solution
- Step 1: Write the proportion equation
190,253.01 : 285,517.89 = 153,259.68 : x - Step 2: Convert to fraction form
190,253.01/285,517.89 = 153,259.68/x - Step 3: Cross multiply
190,253.01x = 285,517.89 × 153,259.68 - Step 4: Simplify right side
190,253.01x = 43,758,380,455.68 - Step 5: Solve for x
x = 43,758,380,455.68/190,253.01 - Step 6: Final answer
x = 230,000.99
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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.