Finding the Fourth Proportional to 186,423.56, 279,418.42 and 106,517.50
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Solution
The fourth proportional to 186,423.56, 279,418.42 and 106,517.50 is: 159,652.31
Step by Step Solution
- Step 1: Write the proportion equation
186,423.56 : 279,418.42 = 106,517.50 : x - Step 2: Convert to fraction form
186,423.56/279,418.42 = 106,517.50/x - Step 3: Cross multiply
186,423.56x = 279,418.42 × 106,517.50 - Step 4: Simplify right side
186,423.56x = 29,762,950,587.51 - Step 5: Solve for x
x = 29,762,950,587.51/186,423.56 - Step 6: Final answer
x = 159,652.31
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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.