Finding the Fourth Proportional to 197,220.70, 295,721.70 and 84,881.80
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Solution
The fourth proportional to 197,220.70, 295,721.70 and 84,881.80 is: 127,275.64
Step by Step Solution
- Step 1: Write the proportion equation
197,220.70 : 295,721.70 = 84,881.80 : x - Step 2: Convert to fraction form
197,220.70/295,721.70 = 84,881.80/x - Step 3: Cross multiply
197,220.70x = 295,721.70 × 84,881.80 - Step 4: Simplify right side
197,220.70x = 25,101,390,195.06 - Step 5: Solve for x
x = 25,101,390,195.06/197,220.70 - Step 6: Final answer
x = 127,275.64
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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.