Finding the Fourth Proportional to 243,346.01, 335,813.99 and 135,917.60
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Solution
The fourth proportional to 243,346.01, 335,813.99 and 135,917.60 is: 187,564.33
Step by Step Solution
- Step 1: Write the proportion equation
243,346.01 : 335,813.99 = 135,917.60 : x - Step 2: Convert to fraction form
243,346.01/335,813.99 = 135,917.60/x - Step 3: Cross multiply
243,346.01x = 335,813.99 × 135,917.60 - Step 4: Simplify right side
243,346.01x = 45,643,029,208.57 - Step 5: Solve for x
x = 45,643,029,208.57/243,346.01 - Step 6: Final answer
x = 187,564.33
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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.