Finding the Fourth Proportional to 613,937.96, 920,861.98 and 193,334.12
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Solution
The fourth proportional to 613,937.96, 920,861.98 and 193,334.12 is: 289,987.02
Step by Step Solution
- Step 1: Write the proportion equation
613,937.96 : 920,861.98 = 193,334.12 : x - Step 2: Convert to fraction form
613,937.96/920,861.98 = 193,334.12/x - Step 3: Cross multiply
613,937.96x = 920,861.98 × 193,334.12 - Step 4: Simplify right side
613,937.96x = 178,034,038,910.35 - Step 5: Solve for x
x = 178,034,038,910.35/613,937.96 - Step 6: Final answer
x = 289,987.02
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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.