Finding the Fourth Proportional to 157,164.28, 216,735.94 and 105,597.99
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Solution
The fourth proportional to 157,164.28, 216,735.94 and 105,597.99 is: 145,623.93
Step by Step Solution
- Step 1: Write the proportion equation
157,164.28 : 216,735.94 = 105,597.99 : x - Step 2: Convert to fraction form
157,164.28/216,735.94 = 105,597.99/x - Step 3: Cross multiply
157,164.28x = 216,735.94 × 105,597.99 - Step 4: Simplify right side
157,164.28x = 22,886,879,624.76 - Step 5: Solve for x
x = 22,886,879,624.76/157,164.28 - Step 6: Final answer
x = 145,623.93
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.