Finding the Fourth Proportional to 103,858.08, 155,787.12 and 24,972.31
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Solution
The fourth proportional to 103,858.08, 155,787.12 and 24,972.31 is: 37,458.47
Step by Step Solution
- Step 1: Write the proportion equation
103,858.08 : 155,787.12 = 24,972.31 : x - Step 2: Convert to fraction form
103,858.08/155,787.12 = 24,972.31/x - Step 3: Cross multiply
103,858.08x = 155,787.12 × 24,972.31 - Step 4: Simplify right side
103,858.08x = 3,890,364,254.65 - Step 5: Solve for x
x = 3,890,364,254.65/103,858.08 - Step 6: Final answer
x = 37,458.47
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Similar ratio
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1.5x scale
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.