Finding the Fourth Proportional to 628,351.40, 942,592.62 and 201,779.48
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Solution
The fourth proportional to 628,351.40, 942,592.62 and 201,779.48 is: 302,690.26
Step by Step Solution
- Step 1: Write the proportion equation
628,351.40 : 942,592.62 = 201,779.48 : x - Step 2: Convert to fraction form
628,351.40/942,592.62 = 201,779.48/x - Step 3: Cross multiply
628,351.40x = 942,592.62 × 201,779.48 - Step 4: Simplify right side
628,351.40x = 190,195,848,715.44 - Step 5: Solve for x
x = 190,195,848,715.44/628,351.40 - Step 6: Final answer
x = 302,690.26
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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.