Finding the Fourth Proportional to 211,681.70, 292,119.72 and 116,190.02
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Solution
The fourth proportional to 211,681.70, 292,119.72 and 116,190.02 is: 160,341.66
Step by Step Solution
- Step 1: Write the proportion equation
211,681.70 : 292,119.72 = 116,190.02 : x - Step 2: Convert to fraction form
211,681.70/292,119.72 = 116,190.02/x - Step 3: Cross multiply
211,681.70x = 292,119.72 × 116,190.02 - Step 4: Simplify right side
211,681.70x = 33,941,396,109.19 - Step 5: Solve for x
x = 33,941,396,109.19/211,681.70 - Step 6: Final answer
x = 160,341.66
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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.