Finding the Fourth Proportional to 187,065.19, 280,639.24 and 53,935.05
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Solution
The fourth proportional to 187,065.19, 280,639.24 and 53,935.05 is: 80,914.53
Step by Step Solution
- Step 1: Write the proportion equation
187,065.19 : 280,639.24 = 53,935.05 : x - Step 2: Convert to fraction form
187,065.19/280,639.24 = 53,935.05/x - Step 3: Cross multiply
187,065.19x = 280,639.24 × 53,935.05 - Step 4: Simplify right side
187,065.19x = 15,136,292,358.92 - Step 5: Solve for x
x = 15,136,292,358.92/187,065.19 - Step 6: Final answer
x = 80,914.53
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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.