Finding the Fourth Proportional to 612,475.62, 918,899.93 and 313,166.44
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Solution
The fourth proportional to 612,475.62, 918,899.93 and 313,166.44 is: 469,845.02
Step by Step Solution
- Step 1: Write the proportion equation
612,475.62 : 918,899.93 = 313,166.44 : x - Step 2: Convert to fraction form
612,475.62/918,899.93 = 313,166.44/x - Step 3: Cross multiply
612,475.62x = 918,899.93 × 313,166.44 - Step 4: Simplify right side
612,475.62x = 287,768,619,794.35 - Step 5: Solve for x
x = 287,768,619,794.35/612,475.62 - Step 6: Final answer
x = 469,845.02
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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.