Finding the Fourth Proportional to 163,937.80, 245,906.70 and 108,533.80
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Solution
The fourth proportional to 163,937.80, 245,906.70 and 108,533.80 is: 162,800.70
Step by Step Solution
- Step 1: Write the proportion equation
163,937.80 : 245,906.70 = 108,533.80 : x - Step 2: Convert to fraction form
163,937.80/245,906.70 = 108,533.80/x - Step 3: Cross multiply
163,937.80x = 245,906.70 × 108,533.80 - Step 4: Simplify right side
163,937.80x = 26,689,188,596.46 - Step 5: Solve for x
x = 26,689,188,596.46/163,937.80 - Step 6: Final answer
x = 162,800.70
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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.