Finding the Fourth Proportional to 373,900.08, 515,979.44 and 204,134.20
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Solution
The fourth proportional to 373,900.08, 515,979.44 and 204,134.20 is: 281,703.74
Step by Step Solution
- Step 1: Write the proportion equation
373,900.08 : 515,979.44 = 204,134.20 : x - Step 2: Convert to fraction form
373,900.08/515,979.44 = 204,134.20/x - Step 3: Cross multiply
373,900.08x = 515,979.44 × 204,134.20 - Step 4: Simplify right side
373,900.08x = 105,329,050,681.05 - Step 5: Solve for x
x = 105,329,050,681.05/373,900.08 - Step 6: Final answer
x = 281,703.74
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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.