Finding the Fourth Proportional to 157,866.50, 236,836.74 and 107,970.09
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Solution
The fourth proportional to 157,866.50, 236,836.74 and 107,970.09 is: 161,980.44
Step by Step Solution
- Step 1: Write the proportion equation
157,866.50 : 236,836.74 = 107,970.09 : x - Step 2: Convert to fraction form
157,866.50/236,836.74 = 107,970.09/x - Step 3: Cross multiply
157,866.50x = 236,836.74 × 107,970.09 - Step 4: Simplify right side
157,866.50x = 25,571,284,133.11 - Step 5: Solve for x
x = 25,571,284,133.11/157,866.50 - Step 6: Final answer
x = 161,980.44
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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.