Finding the Fourth Proportional to 190,419.99, 285,801.30 and 101,749.29
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Solution
The fourth proportional to 190,419.99, 285,801.30 and 101,749.29 is: 152,715.48
Step by Step Solution
- Step 1: Write the proportion equation
190,419.99 : 285,801.30 = 101,749.29 : x - Step 2: Convert to fraction form
190,419.99/285,801.30 = 101,749.29/x - Step 3: Cross multiply
190,419.99x = 285,801.30 × 101,749.29 - Step 4: Simplify right side
190,419.99x = 29,080,079,356.08 - Step 5: Solve for x
x = 29,080,079,356.08/190,419.99 - Step 6: Final answer
x = 152,715.48
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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.