Finding the Fourth Proportional to 217,339.04, 299,927.67 and 121,845.75
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Solution
The fourth proportional to 217,339.04, 299,927.67 and 121,845.75 is: 168,147.02
Step by Step Solution
- Step 1: Write the proportion equation
217,339.04 : 299,927.67 = 121,845.75 : x - Step 2: Convert to fraction form
217,339.04/299,927.67 = 121,845.75/x - Step 3: Cross multiply
217,339.04x = 299,927.67 × 121,845.75 - Step 4: Simplify right side
217,339.04x = 36,544,911,896.90 - Step 5: Solve for x
x = 36,544,911,896.90/217,339.04 - Step 6: Final answer
x = 168,147.02
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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.