Finding the Fourth Proportional to 329,886.79, 455,670.84 and 244,020.31
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Solution
The fourth proportional to 329,886.79, 455,670.84 and 244,020.31 is: 337,063.94
Step by Step Solution
- Step 1: Write the proportion equation
329,886.79 : 455,670.84 = 244,020.31 : x - Step 2: Convert to fraction form
329,886.79/455,670.84 = 244,020.31/x - Step 3: Cross multiply
329,886.79x = 455,670.84 × 244,020.31 - Step 4: Simplify right side
329,886.79x = 111,192,939,634.76 - Step 5: Solve for x
x = 111,192,939,634.76/329,886.79 - Step 6: Final answer
x = 337,063.94
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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.