Finding the Fourth Proportional to 197,220.80, 295,669.20 and 84,987.20
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Solution
The fourth proportional to 197,220.80, 295,669.20 and 84,987.20 is: 127,410.99
Step by Step Solution
- Step 1: Write the proportion equation
197,220.80 : 295,669.20 = 84,987.20 : x - Step 2: Convert to fraction form
197,220.80/295,669.20 = 84,987.20/x - Step 3: Cross multiply
197,220.80x = 295,669.20 × 84,987.20 - Step 4: Simplify right side
197,220.80x = 25,128,097,434.24 - Step 5: Solve for x
x = 25,128,097,434.24/197,220.80 - Step 6: Final answer
x = 127,410.99
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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.