Finding the Fourth Proportional to 500,157.75, 750,237.84 and 126,180.75
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Solution
The fourth proportional to 500,157.75, 750,237.84 and 126,180.75 is: 189,271.43
Step by Step Solution
- Step 1: Write the proportion equation
500,157.75 : 750,237.84 = 126,180.75 : x - Step 2: Convert to fraction form
500,157.75/750,237.84 = 126,180.75/x - Step 3: Cross multiply
500,157.75x = 750,237.84 × 126,180.75 - Step 4: Simplify right side
500,157.75x = 94,665,573,329.58 - Step 5: Solve for x
x = 94,665,573,329.58/500,157.75 - Step 6: Final answer
x = 189,271.43
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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.