Finding the Fourth Proportional to 211,643.84, 292,072.02 and 116,159.44
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Solution
The fourth proportional to 211,643.84, 292,072.02 and 116,159.44 is: 160,301.96
Step by Step Solution
- Step 1: Write the proportion equation
211,643.84 : 292,072.02 = 116,159.44 : x - Step 2: Convert to fraction form
211,643.84/292,072.02 = 116,159.44/x - Step 3: Cross multiply
211,643.84x = 292,072.02 × 116,159.44 - Step 4: Simplify right side
211,643.84x = 33,926,922,282.87 - Step 5: Solve for x
x = 33,926,922,282.87/211,643.84 - Step 6: Final answer
x = 160,301.96
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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.