Finding the Fourth Proportional to 211,526.32, 291,864.63 and 125,469.09
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Solution
The fourth proportional to 211,526.32, 291,864.63 and 125,469.09 is: 173,122.61
Step by Step Solution
- Step 1: Write the proportion equation
211,526.32 : 291,864.63 = 125,469.09 : x - Step 2: Convert to fraction form
211,526.32/291,864.63 = 125,469.09/x - Step 3: Cross multiply
211,526.32x = 291,864.63 × 125,469.09 - Step 4: Simplify right side
211,526.32x = 36,619,989,529.29 - Step 5: Solve for x
x = 36,619,989,529.29/211,526.32 - Step 6: Final answer
x = 173,122.61
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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.