Finding the Fourth Proportional to 165,409.45, 247,622.10 and 98,815.30
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Solution
The fourth proportional to 165,409.45, 247,622.10 and 98,815.30 is: 147,928.99
Step by Step Solution
- Step 1: Write the proportion equation
165,409.45 : 247,622.10 = 98,815.30 : x - Step 2: Convert to fraction form
165,409.45/247,622.10 = 98,815.30/x - Step 3: Cross multiply
165,409.45x = 247,622.10 × 98,815.30 - Step 4: Simplify right side
165,409.45x = 24,468,852,098.13 - Step 5: Solve for x
x = 24,468,852,098.13/165,409.45 - Step 6: Final answer
x = 147,928.99
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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.