Finding the Fourth Proportional to 313,226.38, 432,252.70 and 169,986.46
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Solution
The fourth proportional to 313,226.38, 432,252.70 and 169,986.46 is: 234,581.48
Step by Step Solution
- Step 1: Write the proportion equation
313,226.38 : 432,252.70 = 169,986.46 : x - Step 2: Convert to fraction form
313,226.38/432,252.70 = 169,986.46/x - Step 3: Cross multiply
313,226.38x = 432,252.70 × 169,986.46 - Step 4: Simplify right side
313,226.38x = 73,477,106,298.44 - Step 5: Solve for x
x = 73,477,106,298.44/313,226.38 - Step 6: Final answer
x = 234,581.48
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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.