Finding the Fourth Proportional to 306,778.16, 460,377.42 and 107,098.53
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Solution
The fourth proportional to 306,778.16, 460,377.42 and 107,098.53 is: 160,721.17
Step by Step Solution
- Step 1: Write the proportion equation
306,778.16 : 460,377.42 = 107,098.53 : x - Step 2: Convert to fraction form
306,778.16/460,377.42 = 107,098.53/x - Step 3: Cross multiply
306,778.16x = 460,377.42 × 107,098.53 - Step 4: Simplify right side
306,778.16x = 49,305,744,927.19 - Step 5: Solve for x
x = 49,305,744,927.19/306,778.16 - Step 6: Final answer
x = 160,721.17
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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.