Finding the Fourth Proportional to 207,762.06, 286,714.99 and 117,122.46
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Solution
The fourth proportional to 207,762.06, 286,714.99 and 117,122.46 is: 161,630.87
Step by Step Solution
- Step 1: Write the proportion equation
207,762.06 : 286,714.99 = 117,122.46 : x - Step 2: Convert to fraction form
207,762.06/286,714.99 = 117,122.46/x - Step 3: Cross multiply
207,762.06x = 286,714.99 × 117,122.46 - Step 4: Simplify right side
207,762.06x = 33,580,764,018.90 - Step 5: Solve for x
x = 33,580,764,018.90/207,762.06 - Step 6: Final answer
x = 161,630.87
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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.