Finding the Fourth Proportional to 187,052.80, 280,701.96 and 68,725.12
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Solution
The fourth proportional to 187,052.80, 280,701.96 and 68,725.12 is: 103,132.78
Step by Step Solution
- Step 1: Write the proportion equation
187,052.80 : 280,701.96 = 68,725.12 : x - Step 2: Convert to fraction form
187,052.80/280,701.96 = 68,725.12/x - Step 3: Cross multiply
187,052.80x = 280,701.96 × 68,725.12 - Step 4: Simplify right side
187,052.80x = 19,291,275,885.24 - Step 5: Solve for x
x = 19,291,275,885.24/187,052.80 - Step 6: Final answer
x = 103,132.78
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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.