Finding the Fourth Proportional to 386,750.82, 533,707.86 and 214,658.75
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Solution
The fourth proportional to 386,750.82, 533,707.86 and 214,658.75 is: 296,224.49
Step by Step Solution
- Step 1: Write the proportion equation
386,750.82 : 533,707.86 = 214,658.75 : x - Step 2: Convert to fraction form
386,750.82/533,707.86 = 214,658.75/x - Step 3: Cross multiply
386,750.82x = 533,707.86 × 214,658.75 - Step 4: Simplify right side
386,750.82x = 114,565,063,427.05 - Step 5: Solve for x
x = 114,565,063,427.05/386,750.82 - Step 6: Final answer
x = 296,224.49
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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.