Finding the Fourth Proportional to 211,189.84, 291,442.28 and 114,394.75
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Solution
The fourth proportional to 211,189.84, 291,442.28 and 114,394.75 is: 157,864.92
Step by Step Solution
- Step 1: Write the proportion equation
211,189.84 : 291,442.28 = 114,394.75 : x - Step 2: Convert to fraction form
211,189.84/291,442.28 = 114,394.75/x - Step 3: Cross multiply
211,189.84x = 291,442.28 × 114,394.75 - Step 4: Simplify right side
211,189.84x = 33,339,466,992.75 - Step 5: Solve for x
x = 33,339,466,992.75/211,189.84 - Step 6: Final answer
x = 157,864.92
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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.