Finding the Fourth Proportional to 317,323.62, 476,451.99 and 130,699.62
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Solution
The fourth proportional to 317,323.62, 476,451.99 and 130,699.62 is: 196,241.60
Step by Step Solution
- Step 1: Write the proportion equation
317,323.62 : 476,451.99 = 130,699.62 : x - Step 2: Convert to fraction form
317,323.62/476,451.99 = 130,699.62/x - Step 3: Cross multiply
317,323.62x = 476,451.99 × 130,699.62 - Step 4: Simplify right side
317,323.62x = 62,272,094,041.24 - Step 5: Solve for x
x = 62,272,094,041.24/317,323.62 - Step 6: Final answer
x = 196,241.60
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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.