Finding the Fourth Proportional to 531,486.16, 733,483.58 and 305,165.68
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Solution
The fourth proportional to 531,486.16, 733,483.58 and 305,165.68 is: 421,147.40
Step by Step Solution
- Step 1: Write the proportion equation
531,486.16 : 733,483.58 = 305,165.68 : x - Step 2: Convert to fraction form
531,486.16/733,483.58 = 305,165.68/x - Step 3: Cross multiply
531,486.16x = 733,483.58 × 305,165.68 - Step 4: Simplify right side
531,486.16x = 223,834,015,459.53 - Step 5: Solve for x
x = 223,834,015,459.53/531,486.16 - Step 6: Final answer
x = 421,147.40
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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.