Finding the Fourth Proportional to 452,173.70, 624,029.21 and 261,195.14
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Solution
The fourth proportional to 452,173.70, 624,029.21 and 261,195.14 is: 360,466.34
Step by Step Solution
- Step 1: Write the proportion equation
452,173.70 : 624,029.21 = 261,195.14 : x - Step 2: Convert to fraction form
452,173.70/624,029.21 = 261,195.14/x - Step 3: Cross multiply
452,173.70x = 624,029.21 × 261,195.14 - Step 4: Simplify right side
452,173.70x = 162,993,396,870.04 - Step 5: Solve for x
x = 162,993,396,870.04/452,173.70 - Step 6: Final answer
x = 360,466.34
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.