Finding the Fourth Proportional to 178,878.30, 246,840.10 and 98,304.09
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Solution
The fourth proportional to 178,878.30, 246,840.10 and 98,304.09 is: 135,653.07
Step by Step Solution
- Step 1: Write the proportion equation
178,878.30 : 246,840.10 = 98,304.09 : x - Step 2: Convert to fraction form
178,878.30/246,840.10 = 98,304.09/x - Step 3: Cross multiply
178,878.30x = 246,840.10 × 98,304.09 - Step 4: Simplify right side
178,878.30x = 24,265,391,160.25 - Step 5: Solve for x
x = 24,265,391,160.25/178,878.30 - Step 6: Final answer
x = 135,653.07
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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.