Finding the Fourth Proportional to 211,686.41, 292,130.56 and 116,201.81
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Solution
The fourth proportional to 211,686.41, 292,130.56 and 116,201.81 is: 160,360.32
Step by Step Solution
- Step 1: Write the proportion equation
211,686.41 : 292,130.56 = 116,201.81 : x - Step 2: Convert to fraction form
211,686.41/292,130.56 = 116,201.81/x - Step 3: Cross multiply
211,686.41x = 292,130.56 × 116,201.81 - Step 4: Simplify right side
211,686.41x = 33,946,100,703.89 - Step 5: Solve for x
x = 33,946,100,703.89/211,686.41 - Step 6: Final answer
x = 160,360.32
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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.