Finding the Fourth Proportional to 202,160.94, 278,926.08 and 130,543.98
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Solution
The fourth proportional to 202,160.94, 278,926.08 and 130,543.98 is: 180,114.52
Step by Step Solution
- Step 1: Write the proportion equation
202,160.94 : 278,926.08 = 130,543.98 : x - Step 2: Convert to fraction form
202,160.94/278,926.08 = 130,543.98/x - Step 3: Cross multiply
202,160.94x = 278,926.08 × 130,543.98 - Step 4: Simplify right side
202,160.94x = 36,412,120,609.00 - Step 5: Solve for x
x = 36,412,120,609.00/202,160.94 - Step 6: Final answer
x = 180,114.52
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.