Finding the Fourth Proportional to 329,248.20, 494,102.70 and 211,206.60
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Solution
The fourth proportional to 329,248.20, 494,102.70 and 211,206.60 is: 316,957.70
Step by Step Solution
- Step 1: Write the proportion equation
329,248.20 : 494,102.70 = 211,206.60 : x - Step 2: Convert to fraction form
329,248.20/494,102.70 = 211,206.60/x - Step 3: Cross multiply
329,248.20x = 494,102.70 × 211,206.60 - Step 4: Simplify right side
329,248.20x = 104,357,751,317.82 - Step 5: Solve for x
x = 104,357,751,317.82/329,248.20 - Step 6: Final answer
x = 316,957.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.