Finding the Fourth Proportional to 215,731.13, 297,700.84 and 125,090.92
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Solution
The fourth proportional to 215,731.13, 297,700.84 and 125,090.92 is: 172,620.75
Step by Step Solution
- Step 1: Write the proportion equation
215,731.13 : 297,700.84 = 125,090.92 : x - Step 2: Convert to fraction form
215,731.13/297,700.84 = 125,090.92/x - Step 3: Cross multiply
215,731.13x = 297,700.84 × 125,090.92 - Step 4: Simplify right side
215,731.13x = 37,239,670,903.39 - Step 5: Solve for x
x = 37,239,670,903.39/215,731.13 - Step 6: Final answer
x = 172,620.75
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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.