Finding the Fourth Proportional to 549,034.20, 823,551.30 and 283,313.70
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Solution
The fourth proportional to 549,034.20, 823,551.30 and 283,313.70 is: 424,970.55
Step by Step Solution
- Step 1: Write the proportion equation
549,034.20 : 823,551.30 = 283,313.70 : x - Step 2: Convert to fraction form
549,034.20/823,551.30 = 283,313.70/x - Step 3: Cross multiply
549,034.20x = 823,551.30 × 283,313.70 - Step 4: Simplify right side
549,034.20x = 233,323,365,942.81 - Step 5: Solve for x
x = 233,323,365,942.81/549,034.20 - Step 6: Final answer
x = 424,970.55
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Similar ratio
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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.