Finding the Fourth Proportional to 335,868.42, 463,515.58 and 190,684.38
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Solution
The fourth proportional to 335,868.42, 463,515.58 and 190,684.38 is: 263,154.19
Step by Step Solution
- Step 1: Write the proportion equation
335,868.42 : 463,515.58 = 190,684.38 : x - Step 2: Convert to fraction form
335,868.42/463,515.58 = 190,684.38/x - Step 3: Cross multiply
335,868.42x = 463,515.58 × 190,684.38 - Step 4: Simplify right side
335,868.42x = 88,385,180,992.64 - Step 5: Solve for x
x = 88,385,180,992.64/335,868.42 - Step 6: Final answer
x = 263,154.19
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1.5x scale
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.