Finding the Fourth Proportional to 99,745.30, 149,727.30 and 62,347.60
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Solution
The fourth proportional to 99,745.30, 149,727.30 and 62,347.60 is: 93,589.75
Step by Step Solution
- Step 1: Write the proportion equation
99,745.30 : 149,727.30 = 62,347.60 : x - Step 2: Convert to fraction form
99,745.30/149,727.30 = 62,347.60/x - Step 3: Cross multiply
99,745.30x = 149,727.30 × 62,347.60 - Step 4: Simplify right side
99,745.30x = 9,335,137,809.48 - Step 5: Solve for x
x = 9,335,137,809.48/99,745.30 - Step 6: Final answer
x = 93,589.75
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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.