Finding the Fourth Proportional to 187,036.92, 257,968.08 and 119,064.96
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Solution
The fourth proportional to 187,036.92, 257,968.08 and 119,064.96 is: 164,218.70
Step by Step Solution
- Step 1: Write the proportion equation
187,036.92 : 257,968.08 = 119,064.96 : x - Step 2: Convert to fraction form
187,036.92/257,968.08 = 119,064.96/x - Step 3: Cross multiply
187,036.92x = 257,968.08 × 119,064.96 - Step 4: Simplify right side
187,036.92x = 30,714,959,126.48 - Step 5: Solve for x
x = 30,714,959,126.48/187,036.92 - Step 6: Final answer
x = 164,218.70
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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.