Finding the Fourth Proportional to 318,543.60, 439,578.99 and 175,299.96
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Solution
The fourth proportional to 318,543.60, 439,578.99 and 175,299.96 is: 241,907.79
Step by Step Solution
- Step 1: Write the proportion equation
318,543.60 : 439,578.99 = 175,299.96 : x - Step 2: Convert to fraction form
318,543.60/439,578.99 = 175,299.96/x - Step 3: Cross multiply
318,543.60x = 439,578.99 × 175,299.96 - Step 4: Simplify right side
318,543.60x = 77,058,179,363.84 - Step 5: Solve for x
x = 77,058,179,363.84/318,543.60 - Step 6: Final answer
x = 241,907.79
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.