Finding the Fourth Proportional to 187,403.84, 281,216.64 and 69,157.52
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Solution
The fourth proportional to 187,403.84, 281,216.64 and 69,157.52 is: 103,777.20
Step by Step Solution
- Step 1: Write the proportion equation
187,403.84 : 281,216.64 = 69,157.52 : x - Step 2: Convert to fraction form
187,403.84/281,216.64 = 69,157.52/x - Step 3: Cross multiply
187,403.84x = 281,216.64 × 69,157.52 - Step 4: Simplify right side
187,403.84x = 19,448,245,405.13 - Step 5: Solve for x
x = 19,448,245,405.13/187,403.84 - Step 6: Final answer
x = 103,777.20
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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.