Finding the Fourth Proportional to 211,011.93, 291,224.18 and 120,347.11
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Solution
The fourth proportional to 211,011.93, 291,224.18 and 120,347.11 is: 166,094.82
Step by Step Solution
- Step 1: Write the proportion equation
211,011.93 : 291,224.18 = 120,347.11 : x - Step 2: Convert to fraction form
211,011.93/291,224.18 = 120,347.11/x - Step 3: Cross multiply
211,011.93x = 291,224.18 × 120,347.11 - Step 4: Simplify right side
211,011.93x = 35,047,988,318.32 - Step 5: Solve for x
x = 35,047,988,318.32/211,011.93 - Step 6: Final answer
x = 166,094.82
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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.