Finding the Fourth Proportional to 251,777.08, 347,373.99 and 142,863.40
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Solution
The fourth proportional to 251,777.08, 347,373.99 and 142,863.40 is: 197,107.02
Step by Step Solution
- Step 1: Write the proportion equation
251,777.08 : 347,373.99 = 142,863.40 : x - Step 2: Convert to fraction form
251,777.08/347,373.99 = 142,863.40/x - Step 3: Cross multiply
251,777.08x = 347,373.99 × 142,863.40 - Step 4: Simplify right side
251,777.08x = 49,627,029,282.97 - Step 5: Solve for x
x = 49,627,029,282.97/251,777.08 - Step 6: Final answer
x = 197,107.02
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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.