Finding the Fourth Proportional to 257,792.03, 386,230.53 and 107,702.00
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Solution
The fourth proportional to 257,792.03, 386,230.53 and 107,702.00 is: 161,361.86
Step by Step Solution
- Step 1: Write the proportion equation
257,792.03 : 386,230.53 = 107,702.00 : x - Step 2: Convert to fraction form
257,792.03/386,230.53 = 107,702.00/x - Step 3: Cross multiply
257,792.03x = 386,230.53 × 107,702.00 - Step 4: Simplify right side
257,792.03x = 41,597,801,776.89 - Step 5: Solve for x
x = 41,597,801,776.89/257,792.03 - Step 6: Final answer
x = 161,361.86
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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.