Finding the Fourth Proportional to 342,999.42, 514,556.99 and 118,299.75
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Solution
The fourth proportional to 342,999.42, 514,556.99 and 118,299.75 is: 177,469.58
Step by Step Solution
- Step 1: Write the proportion equation
342,999.42 : 514,556.99 = 118,299.75 : x - Step 2: Convert to fraction form
342,999.42/514,556.99 = 118,299.75/x - Step 3: Cross multiply
342,999.42x = 514,556.99 × 118,299.75 - Step 4: Simplify right side
342,999.42x = 60,871,963,277.75 - Step 5: Solve for x
x = 60,871,963,277.75/342,999.42 - Step 6: Final answer
x = 177,469.58
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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.