Finding the Fourth Proportional to 185,448.99, 255,921.21 and 100,566.06
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Solution
The fourth proportional to 185,448.99, 255,921.21 and 100,566.06 is: 138,782.03
Step by Step Solution
- Step 1: Write the proportion equation
185,448.99 : 255,921.21 = 100,566.06 : x - Step 2: Convert to fraction form
185,448.99/255,921.21 = 100,566.06/x - Step 3: Cross multiply
185,448.99x = 255,921.21 × 100,566.06 - Step 4: Simplify right side
185,448.99x = 25,736,987,760.13 - Step 5: Solve for x
x = 25,736,987,760.13/185,448.99 - Step 6: Final answer
x = 138,782.03
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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.