Finding the Fourth Proportional to 211,134.98, 291,387.21 and 120,504.63
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Solution
The fourth proportional to 211,134.98, 291,387.21 and 120,504.63 is: 166,308.34
Step by Step Solution
- Step 1: Write the proportion equation
211,134.98 : 291,387.21 = 120,504.63 : x - Step 2: Convert to fraction form
211,134.98/291,387.21 = 120,504.63/x - Step 3: Cross multiply
211,134.98x = 291,387.21 × 120,504.63 - Step 4: Simplify right side
211,134.98x = 35,113,507,927.78 - Step 5: Solve for x
x = 35,113,507,927.78/211,134.98 - Step 6: Final answer
x = 166,308.34
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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.