Finding the Fourth Proportional to 178,841.80, 246,823.14 and 107,261.20
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Solution
The fourth proportional to 178,841.80, 246,823.14 and 107,261.20 is: 148,033.32
Step by Step Solution
- Step 1: Write the proportion equation
178,841.80 : 246,823.14 = 107,261.20 : x - Step 2: Convert to fraction form
178,841.80/246,823.14 = 107,261.20/x - Step 3: Cross multiply
178,841.80x = 246,823.14 × 107,261.20 - Step 4: Simplify right side
178,841.80x = 26,474,546,184.17 - Step 5: Solve for x
x = 26,474,546,184.17/178,841.80 - Step 6: Final answer
x = 148,033.32
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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.