Finding the Fourth Proportional to 243,341.01, 335,788.74 and 135,896.13
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Solution
The fourth proportional to 243,341.01, 335,788.74 and 135,896.13 is: 187,524.45
Step by Step Solution
- Step 1: Write the proportion equation
243,341.01 : 335,788.74 = 135,896.13 : x - Step 2: Convert to fraction form
243,341.01/335,788.74 = 135,896.13/x - Step 3: Cross multiply
243,341.01x = 335,788.74 × 135,896.13 - Step 4: Simplify right side
243,341.01x = 45,632,390,263.58 - Step 5: Solve for x
x = 45,632,390,263.58/243,341.01 - Step 6: Final answer
x = 187,524.45
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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.