Finding the Fourth Proportional to 182,130.10, 273,195.15 and 122,643.70
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Solution
The fourth proportional to 182,130.10, 273,195.15 and 122,643.70 is: 183,965.55
Step by Step Solution
- Step 1: Write the proportion equation
182,130.10 : 273,195.15 = 122,643.70 : x - Step 2: Convert to fraction form
182,130.10/273,195.15 = 122,643.70/x - Step 3: Cross multiply
182,130.10x = 273,195.15 × 122,643.70 - Step 4: Simplify right side
182,130.10x = 33,505,664,018.06 - Step 5: Solve for x
x = 33,505,664,018.06/182,130.10 - Step 6: Final answer
x = 183,965.55
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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.