Finding the Fourth Proportional to 199,777.36, 275,689.29 and 109,130.99
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Solution
The fourth proportional to 199,777.36, 275,689.29 and 109,130.99 is: 150,598.88
Step by Step Solution
- Step 1: Write the proportion equation
199,777.36 : 275,689.29 = 109,130.99 : x - Step 2: Convert to fraction form
199,777.36/275,689.29 = 109,130.99/x - Step 3: Cross multiply
199,777.36x = 275,689.29 × 109,130.99 - Step 4: Simplify right side
199,777.36x = 30,086,246,248.56 - Step 5: Solve for x
x = 30,086,246,248.56/199,777.36 - Step 6: Final answer
x = 150,598.88
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.