Finding the Fourth Proportional to 320,083.70, 441,709.74 and 176,853.42
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Solution
The fourth proportional to 320,083.70, 441,709.74 and 176,853.42 is: 244,054.54
Step by Step Solution
- Step 1: Write the proportion equation
320,083.70 : 441,709.74 = 176,853.42 : x - Step 2: Convert to fraction form
320,083.70/441,709.74 = 176,853.42/x - Step 3: Cross multiply
320,083.70x = 441,709.74 × 176,853.42 - Step 4: Simplify right side
320,083.70x = 78,117,878,166.31 - Step 5: Solve for x
x = 78,117,878,166.31/320,083.70 - Step 6: Final answer
x = 244,054.54
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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.