Finding the Fourth Proportional to 157,011.72, 216,696.84 and 152,736.99
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Solution
The fourth proportional to 157,011.72, 216,696.84 and 152,736.99 is: 210,797.16
Step by Step Solution
- Step 1: Write the proportion equation
157,011.72 : 216,696.84 = 152,736.99 : x - Step 2: Convert to fraction form
157,011.72/216,696.84 = 152,736.99/x - Step 3: Cross multiply
157,011.72x = 216,696.84 × 152,736.99 - Step 4: Simplify right side
157,011.72x = 33,097,624,206.37 - Step 5: Solve for x
x = 33,097,624,206.37/157,011.72 - Step 6: Final answer
x = 210,797.16
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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.