Finding the Fourth Proportional to 348,880.47, 481,507.12 and 212,993.19
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Solution
The fourth proportional to 348,880.47, 481,507.12 and 212,993.19 is: 293,962.39
Step by Step Solution
- Step 1: Write the proportion equation
348,880.47 : 481,507.12 = 212,993.19 : x - Step 2: Convert to fraction form
348,880.47/481,507.12 = 212,993.19/x - Step 3: Cross multiply
348,880.47x = 481,507.12 × 212,993.19 - Step 4: Simplify right side
348,880.47x = 102,557,738,648.19 - Step 5: Solve for x
x = 102,557,738,648.19/348,880.47 - Step 6: Final answer
x = 293,962.39
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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.