Finding the Fourth Proportional to 324,852.19, 448,004.12 and 210,009.78
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Solution
The fourth proportional to 324,852.19, 448,004.12 and 210,009.78 is: 289,624.79
Step by Step Solution
- Step 1: Write the proportion equation
324,852.19 : 448,004.12 = 210,009.78 : x - Step 2: Convert to fraction form
324,852.19/448,004.12 = 210,009.78/x - Step 3: Cross multiply
324,852.19x = 448,004.12 × 210,009.78 - Step 4: Simplify right side
324,852.19x = 94,085,245,630.24 - Step 5: Solve for x
x = 94,085,245,630.24/324,852.19 - Step 6: Final answer
x = 289,624.79
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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.