Finding the Fourth Proportional to 207,450.80, 310,459.40 and 124,404.40
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Solution
The fourth proportional to 207,450.80, 310,459.40 and 124,404.40 is: 186,176.75
Step by Step Solution
- Step 1: Write the proportion equation
207,450.80 : 310,459.40 = 124,404.40 : x - Step 2: Convert to fraction form
207,450.80/310,459.40 = 124,404.40/x - Step 3: Cross multiply
207,450.80x = 310,459.40 × 124,404.40 - Step 4: Simplify right side
207,450.80x = 38,622,515,381.36 - Step 5: Solve for x
x = 38,622,515,381.36/207,450.80 - Step 6: Final answer
x = 186,176.75
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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.