Finding the Fourth Proportional to 211,079.19, 291,278.41 and 115,567.41
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Solution
The fourth proportional to 211,079.19, 291,278.41 and 115,567.41 is: 159,477.07
Step by Step Solution
- Step 1: Write the proportion equation
211,079.19 : 291,278.41 = 115,567.41 : x - Step 2: Convert to fraction form
211,079.19/291,278.41 = 115,567.41/x - Step 3: Cross multiply
211,079.19x = 291,278.41 × 115,567.41 - Step 4: Simplify right side
211,079.19x = 33,662,291,432.62 - Step 5: Solve for x
x = 33,662,291,432.62/211,079.19 - Step 6: Final answer
x = 159,477.07
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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.