Finding the Fourth Proportional to 621,190.12, 931,782.62 and 177,958.12
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Solution
The fourth proportional to 621,190.12, 931,782.62 and 177,958.12 is: 266,936.45
Step by Step Solution
- Step 1: Write the proportion equation
621,190.12 : 931,782.62 = 177,958.12 : x - Step 2: Convert to fraction form
621,190.12/931,782.62 = 177,958.12/x - Step 3: Cross multiply
621,190.12x = 931,782.62 × 177,958.12 - Step 4: Simplify right side
621,190.12x = 165,818,283,303.87 - Step 5: Solve for x
x = 165,818,283,303.87/621,190.12 - Step 6: Final answer
x = 266,936.45
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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.