Finding the Fourth Proportional to 146,246.79, 219,342.44 and 71,291.55
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Solution
The fourth proportional to 146,246.79, 219,342.44 and 71,291.55 is: 106,923.80
Step by Step Solution
- Step 1: Write the proportion equation
146,246.79 : 219,342.44 = 71,291.55 : x - Step 2: Convert to fraction form
146,246.79/219,342.44 = 71,291.55/x - Step 3: Cross multiply
146,246.79x = 219,342.44 × 71,291.55 - Step 4: Simplify right side
146,246.79x = 15,637,262,528.38 - Step 5: Solve for x
x = 15,637,262,528.38/146,246.79 - Step 6: Final answer
x = 106,923.80
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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.