Finding the Fourth Proportional to 387,327.57, 580,945.11 and 103,038.99
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Solution
The fourth proportional to 387,327.57, 580,945.11 and 103,038.99 is: 154,546.18
Step by Step Solution
- Step 1: Write the proportion equation
387,327.57 : 580,945.11 = 103,038.99 : x - Step 2: Convert to fraction form
387,327.57/580,945.11 = 103,038.99/x - Step 3: Cross multiply
387,327.57x = 580,945.11 × 103,038.99 - Step 4: Simplify right side
387,327.57x = 59,859,995,394.49 - Step 5: Solve for x
x = 59,859,995,394.49/387,327.57 - Step 6: Final answer
x = 154,546.18
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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.