Finding the Fourth Proportional to 197,210.80, 295,654.20 and 84,977.20
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Solution
The fourth proportional to 197,210.80, 295,654.20 and 84,977.20 is: 127,395.99
Step by Step Solution
- Step 1: Write the proportion equation
197,210.80 : 295,654.20 = 84,977.20 : x - Step 2: Convert to fraction form
197,210.80/295,654.20 = 84,977.20/x - Step 3: Cross multiply
197,210.80x = 295,654.20 × 84,977.20 - Step 4: Simplify right side
197,210.80x = 25,123,866,084.24 - Step 5: Solve for x
x = 25,123,866,084.24/197,210.80 - Step 6: Final answer
x = 127,395.99
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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.