Finding the Fourth Proportional to 320,129.35, 441,778.35 and 176,888.14
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Solution
The fourth proportional to 320,129.35, 441,778.35 and 176,888.14 is: 244,105.55
Step by Step Solution
- Step 1: Write the proportion equation
320,129.35 : 441,778.35 = 176,888.14 : x - Step 2: Convert to fraction form
320,129.35/441,778.35 = 176,888.14/x - Step 3: Cross multiply
320,129.35x = 441,778.35 × 176,888.14 - Step 4: Simplify right side
320,129.35x = 78,145,350,182.65 - Step 5: Solve for x
x = 78,145,350,182.65/320,129.35 - Step 6: Final answer
x = 244,105.55
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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.