Finding the Fourth Proportional to 749,995.31, 1,125,109.82 and 244,438.99
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Solution
The fourth proportional to 749,995.31, 1,125,109.82 and 244,438.99 is: 366,696.57
Step by Step Solution
- Step 1: Write the proportion equation
749,995.31 : 1,125,109.82 = 244,438.99 : x - Step 2: Convert to fraction form
749,995.31/1,125,109.82 = 244,438.99/x - Step 3: Cross multiply
749,995.31x = 1,125,109.82 × 244,438.99 - Step 4: Simplify right side
749,995.31x = 275,020,705,838.21 - Step 5: Solve for x
x = 275,020,705,838.21/749,995.31 - Step 6: Final answer
x = 366,696.57
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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.