Finding the Fourth Proportional to 146,787.64, 202,567.98 and 79,719.64
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Solution
The fourth proportional to 146,787.64, 202,567.98 and 79,719.64 is: 110,013.67
Step by Step Solution
- Step 1: Write the proportion equation
146,787.64 : 202,567.98 = 79,719.64 : x - Step 2: Convert to fraction form
146,787.64/202,567.98 = 79,719.64/x - Step 3: Cross multiply
146,787.64x = 202,567.98 × 79,719.64 - Step 4: Simplify right side
146,787.64x = 16,148,646,441.13 - Step 5: Solve for x
x = 16,148,646,441.13/146,787.64 - Step 6: Final answer
x = 110,013.67
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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.