Finding the Fourth Proportional to 348,371.80, 522,557.70 and 190,907.80
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Solution
The fourth proportional to 348,371.80, 522,557.70 and 190,907.80 is: 286,361.70
Step by Step Solution
- Step 1: Write the proportion equation
348,371.80 : 522,557.70 = 190,907.80 : x - Step 2: Convert to fraction form
348,371.80/522,557.70 = 190,907.80/x - Step 3: Cross multiply
348,371.80x = 522,557.70 × 190,907.80 - Step 4: Simplify right side
348,371.80x = 99,760,340,880.06 - Step 5: Solve for x
x = 99,760,340,880.06/348,371.80 - Step 6: Final answer
x = 286,361.70
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1.5x scale
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.