Finding the Fourth Proportional to 250,281.22, 345,385.99 and 135,557.20
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Solution
The fourth proportional to 250,281.22, 345,385.99 and 135,557.20 is: 187,067.80
Step by Step Solution
- Step 1: Write the proportion equation
250,281.22 : 345,385.99 = 135,557.20 : x - Step 2: Convert to fraction form
250,281.22/345,385.99 = 135,557.20/x - Step 3: Cross multiply
250,281.22x = 345,385.99 × 135,557.20 - Step 4: Simplify right side
250,281.22x = 46,819,557,723.63 - Step 5: Solve for x
x = 46,819,557,723.63/250,281.22 - Step 6: Final answer
x = 187,067.80
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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.