Finding the Fourth Proportional to 611,195.88, 843,408.04 and 339,242.36
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Solution
The fourth proportional to 611,195.88, 843,408.04 and 339,242.36 is: 468,130.99
Step by Step Solution
- Step 1: Write the proportion equation
611,195.88 : 843,408.04 = 339,242.36 : x - Step 2: Convert to fraction form
611,195.88/843,408.04 = 339,242.36/x - Step 3: Cross multiply
611,195.88x = 843,408.04 × 339,242.36 - Step 4: Simplify right side
611,195.88x = 286,119,733,932.57 - Step 5: Solve for x
x = 286,119,733,932.57/611,195.88 - Step 6: Final answer
x = 468,130.99
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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.