Finding the Fourth Proportional to 352,229.65, 528,366.44 and 99,529.49
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Solution
The fourth proportional to 352,229.65, 528,366.44 and 99,529.49 is: 149,300.45
Step by Step Solution
- Step 1: Write the proportion equation
352,229.65 : 528,366.44 = 99,529.49 : x - Step 2: Convert to fraction form
352,229.65/528,366.44 = 99,529.49/x - Step 3: Cross multiply
352,229.65x = 528,366.44 × 99,529.49 - Step 4: Simplify right side
352,229.65x = 52,588,043,876.06 - Step 5: Solve for x
x = 52,588,043,876.06/352,229.65 - Step 6: Final answer
x = 149,300.45
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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.