Finding the Fourth Proportional to 216,624.16, 324,934.08 and 164,354.32
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Solution
The fourth proportional to 216,624.16, 324,934.08 and 164,354.32 is: 246,529.84
Step by Step Solution
- Step 1: Write the proportion equation
216,624.16 : 324,934.08 = 164,354.32 : x - Step 2: Convert to fraction form
216,624.16/324,934.08 = 164,354.32/x - Step 3: Cross multiply
216,624.16x = 324,934.08 × 164,354.32 - Step 4: Simplify right side
216,624.16x = 53,404,319,763.23 - Step 5: Solve for x
x = 53,404,319,763.23/216,624.16 - Step 6: Final answer
x = 246,529.84
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1.5x scale
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.