Finding the Fourth Proportional to 178,841.30, 246,822.45 and 107,260.70
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Solution
The fourth proportional to 178,841.30, 246,822.45 and 107,260.70 is: 148,032.63
Step by Step Solution
- Step 1: Write the proportion equation
178,841.30 : 246,822.45 = 107,260.70 : x - Step 2: Convert to fraction form
178,841.30/246,822.45 = 107,260.70/x - Step 3: Cross multiply
178,841.30x = 246,822.45 × 107,260.70 - Step 4: Simplify right side
178,841.30x = 26,474,348,762.72 - Step 5: Solve for x
x = 26,474,348,762.72/178,841.30 - Step 6: Final answer
x = 148,032.63
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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.