Finding the Fourth Proportional to 270,731.08, 405,652.74 and 191,703.43
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Solution
The fourth proportional to 270,731.08, 405,652.74 and 191,703.43 is: 287,240.84
Step by Step Solution
- Step 1: Write the proportion equation
270,731.08 : 405,652.74 = 191,703.43 : x - Step 2: Convert to fraction form
270,731.08/405,652.74 = 191,703.43/x - Step 3: Cross multiply
270,731.08x = 405,652.74 × 191,703.43 - Step 4: Simplify right side
270,731.08x = 77,765,021,646.90 - Step 5: Solve for x
x = 77,765,021,646.90/270,731.08 - Step 6: Final answer
x = 287,240.84
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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.