Finding the Fourth Proportional to 199,849.80, 299,774.70 and 106,537.80
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Solution
The fourth proportional to 199,849.80, 299,774.70 and 106,537.80 is: 159,806.70
Step by Step Solution
- Step 1: Write the proportion equation
199,849.80 : 299,774.70 = 106,537.80 : x - Step 2: Convert to fraction form
199,849.80/299,774.70 = 106,537.80/x - Step 3: Cross multiply
199,849.80x = 299,774.70 × 106,537.80 - Step 4: Simplify right side
199,849.80x = 31,937,337,033.66 - Step 5: Solve for x
x = 31,937,337,033.66/199,849.80 - Step 6: Final answer
x = 159,806.70
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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.