Finding the Fourth Proportional to 659,412.24, 988,979.96 and 185,986.88
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Solution
The fourth proportional to 659,412.24, 988,979.96 and 185,986.88 is: 278,941.28
Step by Step Solution
- Step 1: Write the proportion equation
659,412.24 : 988,979.96 = 185,986.88 : x - Step 2: Convert to fraction form
659,412.24/988,979.96 = 185,986.88/x - Step 3: Cross multiply
659,412.24x = 988,979.96 × 185,986.88 - Step 4: Simplify right side
659,412.24x = 183,937,296,701.44 - Step 5: Solve for x
x = 183,937,296,701.44/659,412.24 - Step 6: Final answer
x = 278,941.28
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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.