Finding the Fourth Proportional to 175,098.12, 262,226.32 and 99,990.88
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Solution
The fourth proportional to 175,098.12, 262,226.32 and 99,990.88 is: 149,745.99
Step by Step Solution
- Step 1: Write the proportion equation
175,098.12 : 262,226.32 = 99,990.88 : x - Step 2: Convert to fraction form
175,098.12/262,226.32 = 99,990.88/x - Step 3: Cross multiply
175,098.12x = 262,226.32 × 99,990.88 - Step 4: Simplify right side
175,098.12x = 26,220,240,495.96 - Step 5: Solve for x
x = 26,220,240,495.96/175,098.12 - Step 6: Final answer
x = 149,745.99
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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.