Finding the Fourth Proportional to 207,260.80, 310,877.70 and 55,455.82
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Solution
The fourth proportional to 207,260.80, 310,877.70 and 55,455.82 is: 83,180.12
Step by Step Solution
- Step 1: Write the proportion equation
207,260.80 : 310,877.70 = 55,455.82 : x - Step 2: Convert to fraction form
207,260.80/310,877.70 = 55,455.82/x - Step 3: Cross multiply
207,260.80x = 310,877.70 × 55,455.82 - Step 4: Simplify right side
207,260.80x = 17,239,977,773.21 - Step 5: Solve for x
x = 17,239,977,773.21/207,260.80 - Step 6: Final answer
x = 83,180.12
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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.