Finding the Fourth Proportional to 493,135.80, 739,703.70 and 177,551.70
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Solution
The fourth proportional to 493,135.80, 739,703.70 and 177,551.70 is: 266,327.55
Step by Step Solution
- Step 1: Write the proportion equation
493,135.80 : 739,703.70 = 177,551.70 : x - Step 2: Convert to fraction form
493,135.80/739,703.70 = 177,551.70/x - Step 3: Cross multiply
493,135.80x = 739,703.70 × 177,551.70 - Step 4: Simplify right side
493,135.80x = 131,335,649,431.29 - Step 5: Solve for x
x = 131,335,649,431.29/493,135.80 - Step 6: Final answer
x = 266,327.55
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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.