Finding the Fourth Proportional to 477,673.10, 659,199.09 and 262,813.79
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Solution
The fourth proportional to 477,673.10, 659,199.09 and 262,813.79 is: 362,688.65
Step by Step Solution
- Step 1: Write the proportion equation
477,673.10 : 659,199.09 = 262,813.79 : x - Step 2: Convert to fraction form
477,673.10/659,199.09 = 262,813.79/x - Step 3: Cross multiply
477,673.10x = 659,199.09 × 262,813.79 - Step 4: Simplify right side
477,673.10x = 173,246,607,911.46 - Step 5: Solve for x
x = 173,246,607,911.46/477,673.10 - Step 6: Final answer
x = 362,688.65
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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.