Finding the Fourth Proportional to 225,813.12, 338,776.63 and 159,382.99
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Solution
The fourth proportional to 225,813.12, 338,776.63 and 159,382.99 is: 239,114.69
Step by Step Solution
- Step 1: Write the proportion equation
225,813.12 : 338,776.63 = 159,382.99 : x - Step 2: Convert to fraction form
225,813.12/338,776.63 = 159,382.99/x - Step 3: Cross multiply
225,813.12x = 338,776.63 × 159,382.99 - Step 4: Simplify right side
225,813.12x = 53,995,232,256.54 - Step 5: Solve for x
x = 53,995,232,256.54/225,813.12 - Step 6: Final answer
x = 239,114.69
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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.