Finding the Fourth Proportional to 154,747.88, 232,106.25 and 42,439.38
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Solution
The fourth proportional to 154,747.88, 232,106.25 and 42,439.38 is: 63,654.80
Step by Step Solution
- Step 1: Write the proportion equation
154,747.88 : 232,106.25 = 42,439.38 : x - Step 2: Convert to fraction form
154,747.88/232,106.25 = 42,439.38/x - Step 3: Cross multiply
154,747.88x = 232,106.25 × 42,439.38 - Step 4: Simplify right side
154,747.88x = 9,850,445,344.13 - Step 5: Solve for x
x = 9,850,445,344.13/154,747.88 - Step 6: Final answer
x = 63,654.80
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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.