Finding the Fourth Proportional to 142,207.74, 213,310.86 and 37,026.54
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Solution
The fourth proportional to 142,207.74, 213,310.86 and 37,026.54 is: 55,539.61
Step by Step Solution
- Step 1: Write the proportion equation
142,207.74 : 213,310.86 = 37,026.54 : x - Step 2: Convert to fraction form
142,207.74/213,310.86 = 37,026.54/x - Step 3: Cross multiply
142,207.74x = 213,310.86 × 37,026.54 - Step 4: Simplify right side
142,207.74x = 7,898,163,090.22 - Step 5: Solve for x
x = 7,898,163,090.22/142,207.74 - Step 6: Final answer
x = 55,539.61
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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.