Finding the Fourth Proportional to 173,446.28, 239,394.51 and 105,448.88
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Solution
The fourth proportional to 173,446.28, 239,394.51 and 105,448.88 is: 145,542.95
Step by Step Solution
- Step 1: Write the proportion equation
173,446.28 : 239,394.51 = 105,448.88 : x - Step 2: Convert to fraction form
173,446.28/239,394.51 = 105,448.88/x - Step 3: Cross multiply
173,446.28x = 239,394.51 × 105,448.88 - Step 4: Simplify right side
173,446.28x = 25,243,882,957.65 - Step 5: Solve for x
x = 25,243,882,957.65/173,446.28 - Step 6: Final answer
x = 145,542.95
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1.5x scale
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.