Finding the Fourth Proportional to 163,488.06, 245,098.44 and 84,624.84
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Solution
The fourth proportional to 163,488.06, 245,098.44 and 84,624.84 is: 126,868.08
Step by Step Solution
- Step 1: Write the proportion equation
163,488.06 : 245,098.44 = 84,624.84 : x - Step 2: Convert to fraction form
163,488.06/245,098.44 = 84,624.84/x - Step 3: Cross multiply
163,488.06x = 245,098.44 × 84,624.84 - Step 4: Simplify right side
163,488.06x = 20,741,416,269.25 - Step 5: Solve for x
x = 20,741,416,269.25/163,488.06 - Step 6: Final answer
x = 126,868.08
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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.