Finding the Fourth Proportional to 135,480.42, 203,145.98 and 46,660.68
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Solution
The fourth proportional to 135,480.42, 203,145.98 and 46,660.68 is: 69,965.31
Step by Step Solution
- Step 1: Write the proportion equation
135,480.42 : 203,145.98 = 46,660.68 : x - Step 2: Convert to fraction form
135,480.42/203,145.98 = 46,660.68/x - Step 3: Cross multiply
135,480.42x = 203,145.98 × 46,660.68 - Step 4: Simplify right side
135,480.42x = 9,478,929,332.76 - Step 5: Solve for x
x = 9,478,929,332.76/135,480.42 - Step 6: Final answer
x = 69,965.31
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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.