Finding the Fourth Proportional to 535,115.24, 738,430.74 and 305,627.42
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Solution
The fourth proportional to 535,115.24, 738,430.74 and 305,627.42 is: 421,749.68
Step by Step Solution
- Step 1: Write the proportion equation
535,115.24 : 738,430.74 = 305,627.42 : x - Step 2: Convert to fraction form
535,115.24/738,430.74 = 305,627.42/x - Step 3: Cross multiply
535,115.24x = 738,430.74 × 305,627.42 - Step 4: Simplify right side
535,115.24x = 225,684,681,914.89 - Step 5: Solve for x
x = 225,684,681,914.89/535,115.24 - Step 6: Final answer
x = 421,749.68
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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.