Finding the Fourth Proportional to 270,048.72, 372,660.68 and 149,201.58
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Solution
The fourth proportional to 270,048.72, 372,660.68 and 149,201.58 is: 205,894.56
Step by Step Solution
- Step 1: Write the proportion equation
270,048.72 : 372,660.68 = 149,201.58 : x - Step 2: Convert to fraction form
270,048.72/372,660.68 = 149,201.58/x - Step 3: Cross multiply
270,048.72x = 372,660.68 × 149,201.58 - Step 4: Simplify right side
270,048.72x = 55,601,562,259.87 - Step 5: Solve for x
x = 55,601,562,259.87/270,048.72 - Step 6: Final answer
x = 205,894.56
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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.