Finding the Fourth Proportional to 211,720.71, 292,173.33 and 114,926.49
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Solution
The fourth proportional to 211,720.71, 292,173.33 and 114,926.49 is: 158,597.88
Step by Step Solution
- Step 1: Write the proportion equation
211,720.71 : 292,173.33 = 114,926.49 : x - Step 2: Convert to fraction form
211,720.71/292,173.33 = 114,926.49/x - Step 3: Cross multiply
211,720.71x = 292,173.33 × 114,926.49 - Step 4: Simplify right side
211,720.71x = 33,578,455,288.51 - Step 5: Solve for x
x = 33,578,455,288.51/211,720.71 - Step 6: Final answer
x = 158,597.88
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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.