Finding the Fourth Proportional to 202,219.80, 303,220.35 and 83,903.10
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Solution
The fourth proportional to 202,219.80, 303,220.35 and 83,903.10 is: 125,809.28
Step by Step Solution
- Step 1: Write the proportion equation
202,219.80 : 303,220.35 = 83,903.10 : x - Step 2: Convert to fraction form
202,219.80/303,220.35 = 83,903.10/x - Step 3: Cross multiply
202,219.80x = 303,220.35 × 83,903.10 - Step 4: Simplify right side
202,219.80x = 25,441,127,348.09 - Step 5: Solve for x
x = 25,441,127,348.09/202,219.80 - Step 6: Final answer
x = 125,809.28
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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.