Finding the Fourth Proportional to 149,652.94, 206,556.41 and 86,027.65
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Solution
The fourth proportional to 149,652.94, 206,556.41 and 86,027.65 is: 118,738.48
Step by Step Solution
- Step 1: Write the proportion equation
149,652.94 : 206,556.41 = 86,027.65 : x - Step 2: Convert to fraction form
149,652.94/206,556.41 = 86,027.65/x - Step 3: Cross multiply
149,652.94x = 206,556.41 × 86,027.65 - Step 4: Simplify right side
149,652.94x = 17,769,562,544.74 - Step 5: Solve for x
x = 17,769,562,544.74/149,652.94 - Step 6: Final answer
x = 118,738.48
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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.