Finding the Fourth Proportional to 187,944.95, 281,918.36 and 47,703.62
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Solution
The fourth proportional to 187,944.95, 281,918.36 and 47,703.62 is: 71,555.66
Step by Step Solution
- Step 1: Write the proportion equation
187,944.95 : 281,918.36 = 47,703.62 : x - Step 2: Convert to fraction form
187,944.95/281,918.36 = 47,703.62/x - Step 3: Cross multiply
187,944.95x = 281,918.36 × 47,703.62 - Step 4: Simplify right side
187,944.95x = 13,448,525,026.13 - Step 5: Solve for x
x = 13,448,525,026.13/187,944.95 - Step 6: Final answer
x = 71,555.66
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1.5x scale
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.