Finding the Fourth Proportional to 163,470.60, 245,212.70 and 51,152.99
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Solution
The fourth proportional to 163,470.60, 245,212.70 and 51,152.99 is: 76,731.60
Step by Step Solution
- Step 1: Write the proportion equation
163,470.60 : 245,212.70 = 51,152.99 : x - Step 2: Convert to fraction form
163,470.60/245,212.70 = 51,152.99/x - Step 3: Cross multiply
163,470.60x = 245,212.70 × 51,152.99 - Step 4: Simplify right side
163,470.60x = 12,543,361,309.14 - Step 5: Solve for x
x = 12,543,361,309.14/163,470.60 - Step 6: Final answer
x = 76,731.60
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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.