Finding the Fourth Proportional to 908,755.36, 1,363,132.85 and 243,907.36
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Solution
The fourth proportional to 908,755.36, 1,363,132.85 and 243,907.36 is: 365,860.99
Step by Step Solution
- Step 1: Write the proportion equation
908,755.36 : 1,363,132.85 = 243,907.36 : x - Step 2: Convert to fraction form
908,755.36/1,363,132.85 = 243,907.36/x - Step 3: Cross multiply
908,755.36x = 1,363,132.85 × 243,907.36 - Step 4: Simplify right side
908,755.36x = 332,478,134,772.78 - Step 5: Solve for x
x = 332,478,134,772.78/908,755.36 - Step 6: Final answer
x = 365,860.99
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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.