Finding the Fourth Proportional to 613,526.76, 920,383.02 and 192,763.08
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Solution
The fourth proportional to 613,526.76, 920,383.02 and 192,763.08 is: 289,173.80
Step by Step Solution
- Step 1: Write the proportion equation
613,526.76 : 920,383.02 = 192,763.08 : x - Step 2: Convert to fraction form
613,526.76/920,383.02 = 192,763.08/x - Step 3: Cross multiply
613,526.76x = 920,383.02 × 192,763.08 - Step 4: Simplify right side
613,526.76x = 177,415,865,714.90 - Step 5: Solve for x
x = 177,415,865,714.90/613,526.76 - Step 6: Final answer
x = 289,173.80
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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.