Finding the Fourth Proportional to 426,999.84, 640,485.24 and 202,467.84
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Solution
The fourth proportional to 426,999.84, 640,485.24 and 202,467.84 is: 303,694.88
Step by Step Solution
- Step 1: Write the proportion equation
426,999.84 : 640,485.24 = 202,467.84 : x - Step 2: Convert to fraction form
426,999.84/640,485.24 = 202,467.84/x - Step 3: Cross multiply
426,999.84x = 640,485.24 × 202,467.84 - Step 4: Simplify right side
426,999.84x = 129,677,663,094.68 - Step 5: Solve for x
x = 129,677,663,094.68/426,999.84 - Step 6: Final answer
x = 303,694.88
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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.