Finding the Fourth Proportional to 270,395.02, 373,138.28 and 149,533.09
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Solution
The fourth proportional to 270,395.02, 373,138.28 and 149,533.09 is: 206,351.87
Step by Step Solution
- Step 1: Write the proportion equation
270,395.02 : 373,138.28 = 149,533.09 : x - Step 2: Convert to fraction form
270,395.02/373,138.28 = 149,533.09/x - Step 3: Cross multiply
270,395.02x = 373,138.28 × 149,533.09 - Step 4: Simplify right side
270,395.02x = 55,796,519,258.02 - Step 5: Solve for x
x = 55,796,519,258.02/270,395.02 - Step 6: Final answer
x = 206,351.87
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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.