Finding the Fourth Proportional to 243,000.88, 335,342.18 and 135,575.44
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Solution
The fourth proportional to 243,000.88, 335,342.18 and 135,575.44 is: 187,094.64
Step by Step Solution
- Step 1: Write the proportion equation
243,000.88 : 335,342.18 = 135,575.44 : x - Step 2: Convert to fraction form
243,000.88/335,342.18 = 135,575.44/x - Step 3: Cross multiply
243,000.88x = 335,342.18 × 135,575.44 - Step 4: Simplify right side
243,000.88x = 45,464,162,342.03 - Step 5: Solve for x
x = 45,464,162,342.03/243,000.88 - Step 6: Final answer
x = 187,094.64
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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.