Finding the Fourth Proportional to 99,537.70, 149,306.55 and 73,293.70
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Solution
The fourth proportional to 99,537.70, 149,306.55 and 73,293.70 is: 109,940.55
Step by Step Solution
- Step 1: Write the proportion equation
99,537.70 : 149,306.55 = 73,293.70 : x - Step 2: Convert to fraction form
99,537.70/149,306.55 = 73,293.70/x - Step 3: Cross multiply
99,537.70x = 149,306.55 × 73,293.70 - Step 4: Simplify right side
99,537.70x = 10,943,229,483.74 - Step 5: Solve for x
x = 10,943,229,483.74/99,537.70 - Step 6: Final answer
x = 109,940.55
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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.