Finding the Fourth Proportional to 919,319.82, 1,378,975.14 and 236,206.05
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Solution
The fourth proportional to 919,319.82, 1,378,975.14 and 236,206.05 is: 354,307.90
Step by Step Solution
- Step 1: Write the proportion equation
919,319.82 : 1,378,975.14 = 236,206.05 : x - Step 2: Convert to fraction form
919,319.82/1,378,975.14 = 236,206.05/x - Step 3: Cross multiply
919,319.82x = 1,378,975.14 × 236,206.05 - Step 4: Simplify right side
919,319.82x = 325,722,270,867.60 - Step 5: Solve for x
x = 325,722,270,867.60/919,319.82 - Step 6: Final answer
x = 354,307.90
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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.