Finding the Fourth Proportional to 611,136.02, 843,351.95 and 339,195.94
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Solution
The fourth proportional to 611,136.02, 843,351.95 and 339,195.94 is: 468,081.65
Step by Step Solution
- Step 1: Write the proportion equation
611,136.02 : 843,351.95 = 339,195.94 : x - Step 2: Convert to fraction form
611,136.02/843,351.95 = 339,195.94/x - Step 3: Cross multiply
611,136.02x = 843,351.95 × 339,195.94 - Step 4: Simplify right side
611,136.02x = 286,061,556,170.69 - Step 5: Solve for x
x = 286,061,556,170.69/611,136.02 - Step 6: Final answer
x = 468,081.65
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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.