Finding the Fourth Proportional to 321,038.02, 443,027.03 and 177,794.99
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Solution
The fourth proportional to 321,038.02, 443,027.03 and 177,794.99 is: 245,354.07
Step by Step Solution
- Step 1: Write the proportion equation
321,038.02 : 443,027.03 = 177,794.99 : x - Step 2: Convert to fraction form
321,038.02/443,027.03 = 177,794.99/x - Step 3: Cross multiply
321,038.02x = 443,027.03 × 177,794.99 - Step 4: Simplify right side
321,038.02x = 78,767,986,368.58 - Step 5: Solve for x
x = 78,767,986,368.58/321,038.02 - Step 6: Final answer
x = 245,354.07
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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.