Finding the Fourth Proportional to 257,199.96, 354,927.92 and 142,473.99
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Solution
The fourth proportional to 257,199.96, 354,927.92 and 142,473.99 is: 196,609.66
Step by Step Solution
- Step 1: Write the proportion equation
257,199.96 : 354,927.92 = 142,473.99 : x - Step 2: Convert to fraction form
257,199.96/354,927.92 = 142,473.99/x - Step 3: Cross multiply
257,199.96x = 354,927.92 × 142,473.99 - Step 4: Simplify right side
257,199.96x = 50,567,996,212.43 - Step 5: Solve for x
x = 50,567,996,212.43/257,199.96 - Step 6: Final answer
x = 196,609.66
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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.